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3548 Eurybates

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3548 Eurybates
Eurybates and its satellite Queta (circled) imaged by the Hubble Space Telescope in 2019–2020
Discovery[1]
Discovered byC. J. van Houten
I. van Houten-G.
Tom Gehrels
Discovery sitePalomar Obs.
Discovery date19 September 1973
Designations
(3548) Eurybates
Pronunciation/jʊˈrɪbətiːz/[2]
Named after
Eurybates [3]
(Greek mythology)
1973 SO · 1954 CB
1957 JX · 1978 EE5
1985 TZ
Jupiter trojan [1][4][5]
Greek [6][7]
Eurybates [7][8]
binary
AdjectivesEurybatian
Orbital characteristics[4]
Epoch 25 February 2023 (JD 2460000.5)
Uncertainty parameter 0
Earliest precovery date9 February 1954[1]
Aphelion5.680 AU
Perihelion4.733 AU
5.206 AU
Eccentricity0.0909
11.88 yr (4,339 d)
27.507°
0° 4m 58.682s / day
Inclination8.054°
43.542°
27.481°
Jupiter MOID0.1092 AU
TJupiter2.972
Physical characteristics
Dimensions77.5 × 71.3 × 61.8 km[9]
69.3±1.4 km (area equivalent)[9]
Mass(1.51±0.03)×1017 kg[10]
Mean density
1.1±0.3 g/cm3[10]
8.7027283±0.0000029 h[9]
150° (wrt ecliptic)[9]
158° (wrt orbit)[9]
−60°[9]
320°[9]
0.044±0.003[9]
C[11][9]
B–V = 0.739±0.026[9]
V–R = 0.384±0.021[9]
V–I = 0.355±0.015[9]
16.2 to 18.1
9.800±0.007[9]

3548 Eurybates (/jʊˈrɪbətiːz/ yə-RIB-ə-teez) is a carbonaceous Jupiter trojan from the Greek camp and the parent body of the Eurybates family, approximately 68 kilometers (42 miles) in diameter. It is a target to be visited by the Lucy mission in August 2027. Discovered during the second Palomar–Leiden Trojan survey in 1973, it was later named after Eurybates from Greek mythology. This C-type asteroid is among the 60 largest known Jupiter trojans and has a rotation period of 8.7 hours. Eurybates has one kilometer-sized satellite, named Queta, that was discovered in images taken by the Hubble Space Telescope in September 2018.

Discovery

[edit]

Eurybates was discovered on 19 September 1973, by Dutch astronomers Ingrid and Cornelis van Houten at Leiden, on photographic plates taken by Tom Gehrels at the Palomar Observatory in California, United States. In 1951, it was first observed as 1954 CB at the Goethe Link Observatory, extending the asteroid's observation arc by 22 years prior to its official discovery observation at Palomar.[1] Since the discovery of 588 Achilles by Max Wolf in 1906, more than 7,000 Jupiter trojans, with nearly 4,600 bodies in the Greek camp, have already been discovered.[6]

Palomar–Leiden Trojan survey

[edit]

While the discovery date aligns with the second Palomar–Leiden Trojan survey, Eurybates has not received a "T-2" prefixed survey designation, which was assigned for the discoveries made by the fruitful collaboration between the Palomar and Leiden observatories in the 1960s and 1970s. Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Ingrid and Cornelis van Houten at Leiden Observatory where astrometry was carried out. The trio are credited with the discovery of several thousand asteroids.[12]

Orbit and classification

[edit]

Eurybates is a dark Jupiter trojan asteroid orbiting in the leading Greek camp at Jupiter's L4 Lagrangian point, 60° ahead of Jupiter's orbit in a 1:1 resonance (see Trojans in astronomy).[6][7] It orbits the Sun at a distance of 4.7–5.7 AU once every 11 years and 10 months (4,321 days; semi-major axis of 5.19 AU). Its orbit has an eccentricity of 0.09 and an inclination of 8° with respect to the ecliptic.[4]

Eurybates family

[edit]

Eurybates is the parent body of the small Eurybates family (005),[7][8] with 218 known members of carbonaceous and/or primitive composition.[13]: 23  Only a few families have been identified among the Jovian asteroids; four of them in the Greek camp. This potentially collisional family was first characterized by Jakub Rozehnal and Miroslav Brož in 2011, and further described in 2014.[14][15] Members of this family include the Jupiter trojans 5258 Rhoeo, 8060 Anius, 9818 Eurymachos, (163189) 2002 EU6, (287577) 2003 FE42 and 360072 Alcimedon.[13]

Physical characteristics

[edit]
Shape model of Eurybates derived from its light curve

Eurybates has been characterized as a carbonaceous C-type asteroid by both the Lucy mission team and Brian Warner's Lightcurve Data Base.[5][11] The overall spectral type for members of the Eurybates family is that of a C- and P-type.[13]: 23 

Rotational lightcurves

[edit]

In May 1992, a rotational lightcurve of Eurybates was obtained from photometric observations by Stefano Mottola and Maria Gonano–Beurer using the now decommissioned ESO 1-metre telescope at La Silla Observatory in northern Chile. Lightcurve analysis gave a rotation period of 8.711 hours with a brightness variation of 0.20 magnitude (U=3-).[5][16] In October 2010, photometric observations by American astronomer Robert Stephens at the Goat Mountain Astronomical Research Station (G79) in California gave a concurring period of 8.73 hours and an amplitude of 0.19 magnitude (U=2+).[5][17]

Eurybates has an axial tilt of 150° with respect to the ecliptic, making it a retrograde rotator.[9]

Diameter and albedo

[edit]

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Eurybates measures between 63.89 and 72.14 kilometers in diameter and its surface has an albedo between 0.052 and 0.060.[18][19][20] The Collaborative Asteroid Lightcurve Link agrees with IRAS, and derives an albedo of 0.0491 and a diameter of 72.08 kilometers with an absolute magnitude of 9.6.[5]

100+ largest Jupiter trojans
Largest Jupiter Trojans by survey(A)
(mean-diameter in kilometers; YoD: Year of Discovery)
Designation H WISE IRAS Akari Ln RP V–I YoD Ref
624 Hektor 7.2 225 233 230.99 L4 6.92 0.930 1907 list
617 Patroclus 8.19 140.362 140.92 140.85 L5 102.80 0.830 1906 list
911 Agamemnon 7.89 131.038 166.66 185.30 L4 6.59 0.980 1919 list
588 Achilles 8.67 130.099 135.47 133.22 L4 7.31 0.940 1906 list
3451 Mentor 8.4 126.288 116.30 117.91 L5 7.70 0.770 1984 list
3317 Paris 8.3 118.790 116.26 120.45 L5 7.09 0.950 1984 list
1867 Deiphobus 8.3 118.220 122.67 131.31 L5 58.66 0.930 1971 list
1172 Äneas 8.33 118.020 142.82 148.66 L5 8.71 0.950 1930 list
1437 Diomedes 8.3 117.786 164.31 172.60 L4 24.49 0.810 1937 list
1143 Odysseus 7.93 114.624 125.64 130.81 L4 10.11 0.860 1930 list
2241 Alcathous 8.64 113.682 114.63 118.87 L5 7.69 0.940 1979 list
659 Nestor 8.99 112.320 108.87 107.06 L4 15.98 0.790 1908 list
3793 Leonteus 8.7 112.046 86.26 87.58 L4 5.62 0.780 1985 list
3063 Makhaon 8.4 111.655 116.14 114.34 L4 8.64 0.830 1983 list
1583 Antilochus 8.6 108.842 101.62 111.69 L4 31.54 0.950 1950 list
884 Priamus 8.81 101.093 96.29 119.99 L5 6.86 0.900 1917 list
1208 Troilus 8.99 100.477 103.34 111.36 L5 56.17 0.740 1931 list
1173 Anchises 8.89 99.549 126.27 120.49 L5 11.60 0.780 1930 list
2207 Antenor 8.89 97.658 85.11 91.32 L5 7.97 0.950 1977 list
2363 Cebriones 9.11 95.976 81.84 84.61 L5 20.05 0.910 1977 list
4063 Euforbo 8.7 95.619 102.46 106.38 L4 8.85 0.950 1989 list
2357 Phereclos 8.94 94.625 94.90 98.45 L5 14.39 0.960 1981 list
4709 Ennomos 8.5 91.433 80.85 80.03 L5 12.28 0.690 1988 list
2797 Teucer 8.7 89.430 111.14 113.99 L4 10.15 0.920 1981 list
2920 Automedon 8.8 88.574 111.01 113.11 L4 10.21 0.950 1981 list
15436 Dexius 9.1 87.646 85.71 78.63 L4 8.97 0.870 1998 list
3596 Meriones 9.2 87.380 75.09 73.28 L4 12.96 0.830 1985 list
2893 Peiroos 9.23 86.884 87.46 86.76 L5 8.96 0.950 1975 list
4086 Podalirius 9.1 85.495 86.89 85.98 L4 10.43 0.870 1985 list
4060 Deipylos 9.3 84.043 79.21 86.79 L4 9.30 0.760 1987 list
1404 Ajax 9.3 83.990 81.69 96.34 L4 29.38 0.960 1936 list
4348 Poulydamas 9.5 82.032 70.08 87.51 L5 9.91 0.840 1988 list
5144 Achates 9.0 80.958 91.91 89.85 L5 5.96 0.920 1991 list
4833 Meges 8.9 80.165 87.33 89.39 L4 14.25 0.940 1989 list
2223 Sarpedon 9.41 77.480 94.63 108.21 L5 22.74 0.880 1977 list
4489 Dracius 9.0 76.595 92.93 95.02 L4 12.58 0.950 1988 list
2260 Neoptolemus 9.31 76.435 71.65 81.28 L4 8.18 0.950 1975 list
5254 Ulysses 9.2 76.147 78.34 80.00 L4 28.72 0.970 1986 list
3708 Socus 9.3 75.661 79.59 76.75 L5 6.55 0.980 1974 list
2674 Pandarus 9.1 74.267 98.10 101.72 L5 8.48 1.000 1982 list
3564 Talthybius 9.4 73.730 68.92 74.11 L4 40.59 0.900 1985 list
4834 Thoas 9.1 72.331 86.82 96.21 L4 18.19 0.950 1989 list
7641 Cteatus 9.4 71.839 68.97 75.28 L4 27.77 0.980 1986 list
3540 Protesilaos 9.3 70.225 76.84 87.66 L4 8.95 0.940 1973 list
11395 Iphinous 9.8 68.977 64.71 67.78 L4 17.38 – 1998 list
4035 Thestor 9.6 68.733 68.23 66.99 L4 13.47 0.970 1986 list
5264 Telephus 9.4 68.472 73.26 81.38 L4 9.53 0.970 1991 list
1868 Thersites 9.5 68.163 70.08 78.89 L4 10.48 0.960 1960 list
9799 Thronium 9.6 68.033 64.87 72.42 L4 21.52 0.910 1996 list
4068 Menestheus 9.5 67.625 62.37 68.46 L4 14.40 0.950 1973 list
23135 Pheidas 9.9 66.230 58.29 68.50 L4 8.69 0.860 2000 list
2456 Palamedes 9.3 65.916 91.66 99.60 L4 7.24 0.920 1966 list
3709 Polypoites 9.1 65.297 99.09 85.23 L4 10.04 1.000 1985 list
1749 Telamon 9.5 64.898 81.06 69.14 L4 16.98 0.970 1949 list
3548 Eurybates 9.6 63.885 72.14 68.40 L4 8.71 0.730 1973 list
4543 Phoinix 9.7 63.836 62.79 69.54 L4 38.87 1.200 1989 list
12444 Prothoon 9.8 63.835 64.31 62.41 L5 15.82 – 1996 list
4836 Medon 9.5 63.277 67.73 78.70 L4 9.82 0.920 1989 list
16070 Charops 9.7 63.191 64.13 68.98 L5 20.24 0.960 1999 list
15440 Eioneus 9.6 62.519 66.48 71.88 L4 21.43 0.970 1998 list
4715 Medesicaste 9.7 62.097 63.91 65.93 L5 8.81 0.850 1989 list
34746 Thoon 9.8 61.684 60.51 63.63 L5 19.63 0.950 2001 list
38050 Bias 9.8 61.603 61.04 50.44 L4 18.85 0.990 1998 list
5130 Ilioneus 9.7 60.711 59.40 52.49 L5 14.77 0.960 1989 list
5027 Androgeos 9.6 59.786 57.86 n.a. L4 11.38 0.910 1988 list
6090 Aulis 9.4 59.568 74.53 81.92 L4 18.48 0.980 1989 list
5648 Axius 9.7 59.295 63.91 n.a. L5 37.56 0.900 1990 list
7119 Hiera 9.7 59.150 76.40 77.29 L4 400 0.950 1989 list
4805 Asteropaios 10.0 57.647 53.16 43.44 L5 12.37 – 1990 list
16974 Iphthime 9.8 57.341 55.43 57.15 L4 78.9 0.960 1998 list
4867 Polites 9.8 57.251 58.29 64.29 L5 11.24 1.010 1989 list
2895 Memnon 10.0 56.706 55.67 n.a. L5 7.50 0.710 1981 list
4708 Polydoros 9.9 54.964 55.67 n.a. L5 7.52 0.960 1988 list
(21601) 1998 XO89 10.0 54.909 55.67 56.08 L4 12.65 0.970 1998 list
12929 Periboea 9.9 54.077 61.04 55.34 L5 9.27 0.880 1999 list
17492 Hippasos 10.0 53.975 55.67 n.a. L5 17.75 – 1991 list
5652 Amphimachus 10.1 53.921 53.16 52.48 L4 8.37 1.050 1992 list
2759 Idomeneus 9.9 53.676 61.01 52.55 L4 32.38 0.910 1980 list
5258 Rhoeo 10.2 53.275 50.77 n.a. L4 19.85 1.010 1989 list
(12126) 1999 RM11 10.1 53.202 n.a. n.a. L5 n.a. ? 1999 list
(15502) 1999 NV27 10.0 53.100 55.67 50.86 L5 15.13 0.875 1999 list
4754 Panthoos 10.0 53.025 53.15 56.96 L5 27.68 – 1977 list
4832 Palinurus 10.0 52.058 53.16 n.a. L5 5.32 1.000 1988 list
5126 Achaemenides 10.5 51.922 44.22 48.57 L4 53.02 – 1989 list
3240 Laocoon 10.2 51.695 50.77 n.a. L5 11.31 0.880 1978 list
4902 Thessandrus 9.8 51.263 61.04 71.79 L4 738 0.960 1989 list
11552 Boucolion 10.1 51.136 53.16 53.91 L5 32.44 – 1993 list
(20729) 1999 XS143 10.4 50.961 46.30 n.a. L4 5.72 1.000 1999 list
6545 Leitus 10.1 50.951 53.16 n.a. L4 16.26 0.910 1986 list
4792 Lykaon 10.1 50.870 53.16 n.a. L5 40.09 0.960 1988 list
21900 Orus 10.0 50.810 55.67 53.87 L4 13.45 0.950 1999 list
1873 Agenor 10.1 50.799 53.76 54.38 L5 20.60 – 1971 list
5028 Halaesus 10.2 50.770 50.77 n.a. L4 24.94 0.900 1988 list
2146 Stentor 9.9 50.755 58.29 n.a. L4 16.40 – 1976 list
4722 Agelaos 10.0 50.378 53.16 59.47 L5 18.44 0.910 1977 list
5284 Orsilocus 10.1 50.159 53.16 n.a. L4 10.31 0.970 1989 list
11509 Thersilochos 10.1 49.960 53.16 56.23 L5 17.37 – 1990 list
5285 Krethon 10.1 49.606 58.53 52.61 L4 12.04 1.090 1989 list
4791 Iphidamas 10.1 49.528 57.85 59.96 L5 9.70 1.030 1988 list
9023 Mnesthus 10.1 49.151 50.77 60.80 L5 30.66 – 1988 list
5283 Pyrrhus 9.7 48.356 64.58 69.93 L4 7.32 0.950 1989 list
4946 Askalaphus 10.2 48.209 52.71 66.10 L4 22.73 0.940 1988 list
(22149) 2000 WD49 10.2 48.190 50.77 50.37 L4 7.84 1.090 2000 list
(32496) 2000 WX182 10.2 48.017 50.77 51.63 L5 23.34 0.950 2000 list
5120 Bitias 10.2 47.987 50.77 n.a. L5 15.21 0.780 1988 list
12714 Alkimos 10.1 47.819 61.04 54.62 L4 28.48 – 1991 list
7352 Hypsenor 9.9 47.731 55.67 47.07 L5 648 0.850 1994 list
1870 Glaukos 10.6 47.649 42.23 n.a. L5 5.99 — 1971 list
4138 Kalchas 10.1 46.462 53.16 61.04 L4 29.2 0.810 1973 list
(23958) 1998 VD30 10.2 46.001 50.77 47.91 L4 562 0.990 1998 list
4828 Misenus 10.4 45.954 46.30 43.22 L5 12.87 0.920 1988 list
4057 Demophon 10.1 45.683 53.16 n.a. L4 29.82 1.060 1985 list
4501 Eurypylos 10.4 45.524 46.30 n.a. L4 6.05 – 1989 list
4007 Euryalos 10.3 45.515 48.48 53.89 L4 6.39 – 1973 list
5259 Epeigeus 10.3 44.741 42.59 44.42 L4 18.42 – 1989 list
30705 Idaios 10.4 44.546 46.30 n.a. L5 15.74 – 1977 list
16560 Daitor 10.7 43.861 51.42 43.38 L5 – – 1991 list
(15977) 1998 MA11 10.4 43.530 46.30 51.53 L5 250 0.906 1998 list
7543 Prylis 10.6 42.893 42.23 n.a. L4 17.80 – 1973 list
4827 Dares 10.5 42.770 44.22 n.a. L5 19.00 – 1988 list
1647 Menelaus 10.5 42.716 44.22 n.a. L4 17.74 0.866 1957 list
(A) Used sources: WISE/NEOWISE catalog (NEOWISE_DIAM_V1 PDS, Grav, 2012); IRAS data (SIMPS v.6 catalog); and Akari catalog (Usui, 2011); RP: rotation period and V–I (color index) taken from the LCDB

Note: missing data was completed with figures from the JPL SBDB (query) and from the LCDB (query form) for the WISE/NEOWISE and SIMPS catalogs, respectively. These figures are given in italics. Also, listing is incomplete above #100.

Naming

[edit]

This minor planet was named after Eurybates, the Ancient hero from Greek mythology, who was a herald for the Greek armies during the Trojan War.[3] The official naming citation was published by the Minor Planet Center on 28 April 1991 (M.P.C. 18138).[21]

Exploration

[edit]

Lucy mission target

[edit]
Animation of Lucy's trajectory around Sun
  Lucy ·    Sun ·    Earth ·    52246 Donaldjohanson  ·   3548 Eurybates ·    21900 Orus ·    617 Patroclus

Eurybates is planned to be visited by the Lucy spacecraft which launched in 2021.[22] The flyby is scheduled for 12 August 2027, and will approach the asteroid to a distance of 1,000 km (620 mi) at a relative velocity of 5.8 km/s (13,000 mph) and a solar phase angle of 81°.[11]

Satellite

[edit]
"Queta (moon)" redirects here. For the Olympic athlete, see Enriqueta Basilio.

Queta
Discovery images of Queta taken by Hubble on 12–14 September 2018
Discovery[23]
Discovered byKeith S. Noll et al.
Discovery date12 September 2018
Designations
Designation
Eurybates I
Named after
Enriqueta Basilio, first woman torchbearer at the 1968 Summer Olympics
S/2018 (3548) 1
Orbital characteristics[10]
Epoch 12 September 2018 09:45:13 UT (JD 2458373.9064)
2350±11 km
Eccentricity0.125±0.009
82.46±0.06 d
Inclination155.0°±0.2° (wrt ecliptic)
53°±3°
Satellite of3548 Eurybates
Physical characteristics[24]
1.2±0.4 km
26.8[25]
18.25+0.8
−0.6[24]

Eurybates has one known satellite, named Queta after Mexican Olympic athlete Enriqueta Basilio.[26] Provisionally designated S/2018 (3548) 1, the satellite was discovered by Keith S. Noll and colleagues in images taken with the Hubble Space Telescope in September 2018.[25][27] Subsequent follow-up observations later confirmed the satellite's existence, and the discovery was announced on 9 January 2020. The satellite was given the name Queta on 15 October 2020, in accordance with the International Astronomical Union's Olympic athlete naming convention for small Jupiter trojans (H > 12). In the naming citation, Enriqueta Basilio was recognized as the first woman torchbearer at the 1968 Summer Olympics, analogous to the role of heralds like Eurybates.[26]

Queta is extremely faint, with an apparent magnitude of ~26.77.[25] It is at least 6,000 times fainter than Eurybates, suggesting that Queta is likely very small, about 1.2 ± 0.4 km (0.75 ± 0.25 mi) in diameter if it has the same albedo as Eurybates.[24] The satellite has an orbital period of 82.46±0.06 days, with a semi-major axis of 2,350 ± 11 km (1,460.2 ± 6.8 mi) and low eccentricity of 0.125±009.[10] It is probably a fragment of Eurybates since it is part of a known collisional family.[28][10] The presence of the satellite does not pose any adverse effects on the Lucy mission, though it provides an additional object for the spacecraft to study during its flyby in 2027.[29][28]

References

[edit]
  1. ^ a b c d "3548 Eurybates (1973 SO)". Minor Planet Center. Retrieved 8 June 2018.
  2. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ a b Schmadel, Lutz D. (2007). "(3548) Eurybates". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 298. doi:10.1007/978-3-540-29925-7_3547. ISBN 978-3-540-00238-3.
  4. ^ a b c "JPL Small-Body Database Browser: 3548 Eurybates (1973 SO)" (2017-05-26 last obs.). Jet Propulsion Laboratory. Retrieved 8 June 2018.
  5. ^ a b c d e "LCDB Data for (3548) Eurybates". Asteroid Lightcurve Database (LCDB). Retrieved 13 April 2017.
  6. ^ a b c "List of Jupiter Trojans". Minor Planet Center. 12 March 2017. Retrieved 13 April 2017.
  7. ^ a b c d "Asteroid (3548) Eurybates – Proper elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 5 June 2018.
  8. ^ a b "Asteroid 3548 Eurybates – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Archived from the original on 12 June 2018. Retrieved 26 October 2019.
  9. ^ a b c d e f g h i j k l m n Mottola, Stefano; Hellmich, Stephan; Buie, Marc W.; Zangari, Amanda M.; Stephens, Robert D.; Di Martino, Mario; et al. (January 2023). "Shape Models of Lucy Targets (3548) Eurybates and (21900) Orus from Disk-integrated Photometry". The Planetary Science Journal. 4 (1): 20. Bibcode:2023PSJ.....4...18M. doi:10.3847/PSJ/acaf79. 18.
  10. ^ a b c d e Brown, Michael E.; Levison, Harold F.; Noll, Keith S.; Binzel, Richard; Buie, Marc W.; Grundy, Will; et al. (October 2021). "The Orbit and Density of the Jupiter Trojan Satellite System Eurybates–Queta". The Planetary Science Journal. 2 (5): 6. arXiv:2106.02079. Bibcode:2021PSJ.....2..170B. doi:10.3847/PSJ/ac07b0. S2CID 235352692. 170.
  11. ^ a b c Levison, H. F.; Olkin, C.; Noll, K. S.; Marchi, S.; Lucy Team (March 2017). "Lucy: Surveying the Diversity of the Trojan Asteroids: The Fossils of Planet Formation" (PDF). 48th Lunar and Planetary Science Conference (1964): 2025. Bibcode:2017LPI....48.2025L. Retrieved 13 April 2017.
  12. ^ "Minor Planet Discoverers". Minor Planet Center. 31 May 2018. Retrieved 7 June 2018.
  13. ^ a b c Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv:1502.01628. Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131. S2CID 119280014. (online catalog Archived 2 August 2017 at the Wayback Machine)
  14. ^ Broz, M.; Rozehnal, J. (June 2011). "Eurybates – the only asteroid family among Trojans?". Monthly Notices of the Royal Astronomical Society. 414 (1): 565–574. arXiv:1109.1109. Bibcode:2011MNRAS.414..565B. doi:10.1111/j.1365-2966.2011.18420.x. S2CID 118743237.
  15. ^ Rozehnal, J.; Brož, M. (July 2014). "Long-term evolution of asteroid families among Jovian Trojans". Asteroids: 452. Bibcode:2014acm..conf..452R. Retrieved 5 June 2018.
  16. ^ Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; et al. (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal. 141 (5): 32. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170.
  17. ^ Stephens, Robert D. (April 2010). "Trojan Asteroids Observed from GMARS and Santana Observatories: 2009 October – December". The Minor Planet Bulletin. 37 (2): 47–48. Bibcode:2010MPBu...37...47S. ISSN 1052-8091. Retrieved 13 April 2017.
  18. ^ Grav, T.; Mainzer, A. K.; Bauer, J. M.; Masiero, J. R.; Nugent, C. R. (November 2012). "WISE/NEOWISE Observations of the Jovian Trojan Population: Taxonomy". The Astrophysical Journal. 759 (1): 10. arXiv:1209.1549. Bibcode:2012ApJ...759...49G. doi:10.1088/0004-637X/759/1/49. S2CID 119101711. (online catalog)
  19. ^ Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
  20. ^ Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System – IRAS-A-FPA-3-RDR-IMPS-V6.0. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 15 June 2018.
  21. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 8 June 2018.
  22. ^ Warren, Haygen (16 October 2021). "NASA, ULA launch historic Lucy mission". NASASpaceFlight.com. Retrieved 26 October 2021.
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  24. ^ a b c Noll, K. S.; Brown, M. E.; Weaver, H. S.; Grundy, W. M.; Porter, S. B.; Buie, M. W.; et al. (September 2020). "Detection of a Satellite of the Trojan Asteroid (3548) Eurybates—A Lucy Mission Target". The Planetary Science Journal. 1 (2): 6. arXiv:2008.01858. Bibcode:2020PSJ.....1...44N. doi:10.3847/PSJ/abac54. S2CID 216251594. 44.
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  27. ^ Noll, Keith S. (2018), HST Proposal 15622, Space Telescope Science Institute, retrieved 7 June 2019
  28. ^ a b "SwRI-led Lucy mission now has a new destination". Southwest Research Institute. 9 January 2020. Retrieved 9 January 2020.
  29. ^ Talbert, Tricia (9 January 2020). "NASA's Lucy Mission Confirms Discovery of Eurybates Satellite". NASA. Retrieved 9 January 2020.
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