2797 Teucer

2797 Teucer
Discovery
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)
13.16 km/s
105.380°
0° 5m 7.835s / day
Inclination 22.3996°
69.9399°
49.1122°
Earth MOID 3.71047 AU (555.078 Gm)
Jupiter MOID 0.0120574 AU (1.80376 Gm)
Jupiter Tisserand parameter 2.844
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)
? d
?°
?
?
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

    1. ↑ "The Asteroid Orbital Elements Database". astorb. Lowell Observatory.
    2. ↑ "2797 Teucer (1981 LK)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 April 2016.

    External links

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