3564 Talthybius
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3564 Talthybius /tælˈθɪbiəs/ is a large Jupiter trojan from the Greek camp, approximately 73 kilometers (45 miles) in diameter. It was discovered on 15 October 1985, by American astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona, in the United States.[1] The dark D-type asteroid belongs to the 50 largest Jupiter trojans and has a relatively long rotation period of 40.59 hours.[4] It was named after the Greek hero Talthybius, who was a herald during the Trojan War.[1]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
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Discovered by | E. Bowell |
Discovery site | Anderson Mesa Stn. |
Discovery date | 15 October 1985 |
Designations | |
(3564) Talthybius | |
Pronunciation | /tælˈθɪbiəs/[2] |
Named after | Talthybius [1] (Greek mythology) |
1985 TC1 · 1979 HW2 1979 HY1 · 1980 JU | |
Jupiter trojan [1][3][4] Greek [5][6] · background [6] | |
Adjectives | Talthybian |
Orbital characteristics [3] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 67.46 yr (24,639 d) |
Aphelion | 5.4098 AU |
Perihelion | 4.9952 AU |
5.2025 AU | |
Eccentricity | 0.0398 |
11.87 yr (4,334 d) | |
50.621° | |
0° 4m 59.16s / day | |
Inclination | 15.507° |
23.776° | |
204.40° | |
Jupiter MOID | 0.4228 AU |
TJupiter | 2.9260 |
Physical characteristics | |
Mean diameter | 68.53 km (derived)[4] 68.92±3.5 km[7] 73.73±0.58 km[8] 74.11±2.65 km[9] |
40.40±0.03 h[10][lower-alpha 1] 40.44±0.02 h[11] 40.59±0.13 h[12] | |
0.062±0.016[8] 0.0654 (derived)[4] 0.081±0.006[9] 0.0934±0.010[7] | |
D (Pan-STARRS)[13] D (SDSS-MOC)[14] C (assumed)[4] | |
9.00[7][9] 9.3[8] 9.4[1][3][4] 9.45±0.50[13] | |
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