2797 Teucer
From Infogalactic: the planetary knowledge core
| Discovery[1] | |
|---|---|
| Discovered by | Edward L. G. Bowell |
| Discovery date | 4 June 1981 |
| Designations | |
|
Named after
|
Teucer |
| 1981 LK | |
| Jupiter Trojan | |
| Orbital characteristics[1][2] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 27438 days (75.12 yr) |
| Aphelion | 5.55277 AU (830.683 Gm) |
| Perihelion | 4.65244 AU (695.995 Gm) |
| 5.10261 AU (763.340 Gm) | |
| Eccentricity | 0.088223 |
| 11.53 yr (4210.05 d) | |
|
Average orbital speed
|
13.16 km/s |
| 105.380° | |
| Inclination | 22.3996° |
| 69.9399° | |
| 49.1122° | |
| Earth MOID | 3.71047 AU (555.078 Gm) |
| Jupiter MOID | 0.0120574 AU (1.80376 Gm) |
| Physical characteristics | |
| Dimensions | 111.1 km |
|
Mean radius
|
55.57 ± 2.05 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 |
| 10.145 h (0.4227 d) | |
|
Sidereal rotation period
|
? d |
| ?° | |
|
Pole ecliptic latitude
|
? |
|
Pole ecliptic longitude
|
? |
| 0.0624 ± 0.005 | |
| Temperature | ~123 K |
| ? | |
| 8.8 | |
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.
References
External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java)
- Ephemeris
- 2797 Teucer at the JPL Small-Body Database
