1980 Tezcatlipoca
1980 Tezcatlipoca, provisional designation 1950 LA, is an eccentric, stony asteroid and near-Earth object of the Amor group, approximately 6 kilometers (4 mi) in diameter.
Lightcurve-based 3D-model of Tezcatlipoca | |
| Discovery | |
|---|---|
| Discovered by | A. G. Wilson A.A.E. Wallenquist |
| Discovery site | Palomar Obs. |
| Discovery date | 19 June 1950 |
| Designations | |
MPC designation | (1980) Tezcatlipoca |
| Pronunciation | /ˌtɛzkætliˈpoʊkə/ |
Named after | Tezcatlipoca (Aztec creator god) |
Alternative designations | 1950 LA |
Minor planet category | NEO · Amor |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 66.96 yr (24,458 days) |
| Aphelion | 2.3331 AU |
| Perihelion | 1.0858 AU |
Semi-major axis | 1.7094 AU |
| Eccentricity | 0.3648 |
Orbital period (sidereal) | 2.24 yr (816 days) |
Mean anomaly | 328.60° |
Mean motion | 0° 26m 27.6s / day |
| Inclination | 26.869° |
Longitude of ascending node | 246.57° |
| 115.49° | |
| Earth MOID | 0.2455 AU · 95.6 LD |
| Physical characteristics | |
| Dimensions | 4.3 km (Gehrels) 4.36±0.10 4.50±0.04 km 5.998 km 6.00 km (taken) 6.012±0.083 km 6.66 km |
Synodic rotation period | 7.24612±0.00005 h 7.2505±0.0008 h 7.251±0.002 h 7.25225 h 7.25226±0.00005 h |
| 0.1279 0.132±0.028 0.145 0.247±0.005 0.25 (Gehrels) 0.26±0.03 0.47±0.43 | |
| SU (Tholen) Sl (SMASS) Sw (ExploreNEOs) S (LCDB) B–V = 0.955 U–B = 0.455 | |
| 13.6 · 13.87 · 13.92 · 13.96±0.1 · 14.30±1.07 | |
It was discovered on 19 June 1950, by American astronomer Albert Wilson and Swedish astronomer Åke Wallenquist at the U.S. Palomar Observatory in California. It was named after the Aztec deity Tezcatlipoca.
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