Global Information4707 Khryses information
| Discovery [1] | |
|---|---|
| Discovered by | C. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 13 August 1988 |
| Designations | |
MPC designation | (4707) Khryses |
| Pronunciation | /ˈkraɪsiːz/ |
Named after | Chryses (Greek mythology)[1] |
Alternative designations | 1988 PY |
Minor planet category | Jupiter trojan [1][2] Trojan [3] · background [4] |
| Orbital characteristics [2] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 64.76 yr (23,655 d) |
| Aphelion | 5.8233 AU |
| Perihelion | 4.5622 AU |
Semi-major axis | 5.1927 AU |
| Eccentricity | 0.1214 |
Orbital period (sidereal) | 11.83 yr (4,322 d) |
Mean anomaly | 156.38° |
Mean motion | 0° 4m 59.88s / day |
| Inclination | 7.0941° |
Longitude of ascending node | 310.18° |
Argument of perihelion | 66.984° |
| Jupiter MOID | 0.0273 AU |
| TJupiter | 2.9700 |
| Physical characteristics | |
Mean diameter | 37.77±0.47 km[5] 42.23 km(calculated)[6] |
Synodic rotation period | 6.862±0.002 h[7] |
Geometric albedo | 0.057 (assumed)[6] 0.086±0.021[5] |
Spectral type | C (assumed)[6] |
Absolute magnitude (H) | 10.40[5] 10.6[1][2][6] |
4707 Khryses /ˈkraɪsiːz/ is a larger Jupiter trojan from the Trojan camp, approximately 40 kilometers (25 miles) in diameter. It was discovered on 13 August 1988, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.[1] The assumed C-type asteroid has a rotation period 6.9 hours and likely an elongated shape.[6] It was named after the Trojan priest Chryses (Khryseis) from Greek mythology.[1]
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