Global Information5436 Eumelos information
 Shape model of Eumelos from its lightcurve | |
| Discovery [1] | |
|---|---|
| Discovered by | C. S. Shoemaker E. M. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 20 February 1990 |
| Designations | |
MPC designation | (5436) Eumelos |
| Pronunciation | /juːˈmiːləs/[2] |
Named after | Εὔμηλος Eymēlos[1] (Greek mythology) |
Alternative designations | 1990 DK · 1986 XF2 |
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 | 30.51 yr (11,142 d) |
| Aphelion | 5.6013 AU |
| Perihelion | 4.8019 AU |
Semi-major axis | 5.2016 AU |
| Eccentricity | 0.0768 |
Orbital period (sidereal) | 11.86 yr (4,333 d) |
Mean anomaly | 173.91° |
Mean motion | 0° 4m 59.16s / day |
| Inclination | 7.4329° |
Longitude of ascending node | 253.98° |
Argument of perihelion | 221.45° |
| Jupiter MOID | 0.1684 AU |
| TJupiter | 2.9770 |
| Physical characteristics | |
Mean diameter | 37.70±0.33 km[6] 46.30 km[7] |
Synodic rotation period | 38.41±0.02 h (ambiguous)[8][a] |
Geometric albedo | 0.057 (assumed)[7] 0.086±0.013[6] |
Spectral type | C (assumed)[7] |
Absolute magnitude (H) | 10.40[1][3][6][7] |
5436 Eumelos /juːˈmiːləs/ is a mid-sized Jupiter trojan from the Greek camp, approximately 38 kilometers (24 miles) in diameter. It was discovered on 20 February 1990, by American astronomers Carolyn and Eugene Shoemaker at the Palomar Observatory in California.[1] The dark Jovian asteroid has been identified as the principal body of the small Eumelos family and is likely elongated in shape with a longer-than-average rotation period of 38.4 hours.[7] It was named after the Greek warrior and charioteer Eumelus from Greek mythology.[1]
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