2797 Teucer
From Wikipedia, the free encyclopedia
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Discovery[1] and designation
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| Discovered by | Edward L. G. Bowell |
| Discovery date | June 4, 1981 |
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Designations
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| Alternative names[1] | 1981 LK |
| Minor planet category |
Jupiter Trojan |
| Epoch February 04, 2008 (JD 2454500.5) | |
| Aphelion | 831.025 Gm (5.555 AU) |
| Perihelion | 696.607 Gm (4.657 AU) |
| Semi-major axis | 763.816 Gm (5.106 AU) |
| Eccentricity | 0.088 |
| Orbital period | 4213.991 d (11.54 a) |
| Average orbital speed | 13.16 km/s |
| Mean anomaly | 218.754° |
| Inclination | 22.392° |
| Longitude of ascending node | 69.944° |
| Dimensions | 111.1 km |
| Mass | 1.4×1018 kg |
| Mean density | 2.0 g/cm³ |
| Equatorial surface gravity | 0.0311 m/s² |
| Equatorial escape velocity | 0.0587 km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10 |
| Temperature | ~123 K |
| Spectral type | ? |
| Absolute magnitude | 8.4 |
2797 Teucer is a Jupiter trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Teucer, who fought during the Trojan War. It was discovered by Edward L. G. Bowell at the Anderson Mesa station of the Lowell Observatory on June 4, 1981.
[edit] External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java) / Ephemeris
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