Global Information9694 Lycomedes information
 Shape model of Lycomedes from its lightcurve | |
| Discovery [1] | |
|---|---|
| Discovered by | C. J. van Houten I. van Houten-G. T. Gehrels |
| Discovery site | Palomar Obs. |
| Discovery date | 26 September 1960 |
| Designations | |
MPC designation | (9694) Lycomedes |
| Pronunciation | /lɪkəˈmiːdiːz/[2] |
Named after | Lycomedes [1] (Greek mythology) |
Alternative designations | 6581 P-L · 1990 DY1 |
Minor planet category | Jupiter trojan [1][3] Greek [4] · background [5] |
| Orbital characteristics [3] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 57.65 yr (21,058 d) |
| Aphelion | 5.2852 AU |
| Perihelion | 4.9135 AU |
Semi-major axis | 5.0993 AU |
| Eccentricity | 0.0364 |
Orbital period (sidereal) | 11.52 yr (4,206 d) |
Mean anomaly | 226.07° |
Mean motion | 0° 5m 8.16s / day |
| Inclination | 4.9436° |
Longitude of ascending node | 350.07° |
Argument of perihelion | 53.908° |
| Jupiter MOID | 0.019 AU |
| TJupiter | 2.9920 |
| Physical characteristics | |
Mean diameter | 31.74±0.24 km[6] 40.33 km (calculated)[7] |
Synodic rotation period | 18.2±0.1 h[8] |
Geometric albedo | 0.057 (assumed)[7] 0.101±0.010[6] |
Spectral type | C (assumed)[7] |
Absolute magnitude (H) | 10.60[6] 10.7[1][3][7] |
9694 Lycomedes /lɪkəˈmiːdiːz/ is a Jupiter trojan from the Greek camp, approximately 32 kilometers (20 miles) in diameter.[1] It was discovered during the Palomar–Leiden survey at the Palomar Observatory in 1960 and later named after Lycomedes from Greek mythology.[1] The dark Jovian asteroid is likely elongated in shape and has a rotation period of 18.2 hours.[7]
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