2061 Anza
2061 Anza, provisional designation 1960 UA, is an eccentric asteroid of the Amor group, a subtype of near-Earth objects, estimated to measure approximately 2.7 kilometers in diameter. It was discovered on 22 October 1960, by American astronomer Henry Giclas at Lowell's Flagstaff Observatory in Arizona, United States. The asteroid was later named after Spanish explorer Juan Bautista de Anza.
| Discovery | |
|---|---|
| Discovered by | H. L. Giclas |
| Discovery site | Flagstaff (LO) |
| Discovery date | 22 October 1960 |
| Designations | |
MPC designation | (2061) Anza |
Named after | Juan Bautista de Anza (Governor of Nuevo México) |
Alternative designations | 1960 UA |
Minor planet category | Amor · NEO Mars-crosser |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 56.56 yr (20,659 days) |
| Aphelion | 3.4824 AU |
| Perihelion | 1.0527 AU |
Semi-major axis | 2.2675 AU |
| Eccentricity | 0.5358 |
Orbital period (sidereal) | 3.41 yr (1,247 days) |
Mean anomaly | 251.57° |
Mean motion | 0° 17m 19.32s / day |
| Inclination | 3.7970° |
Longitude of ascending node | 207.41° |
| 156.95° | |
| Earth MOID | 0.0570 AU · 22.2 LD |
| Physical characteristics | |
| Dimensions | 2.6 km 2.71 km (calculated) |
Synodic rotation period | 11.50 h |
| 0.057 (assumed) | |
| Tholen = TCG: B–V = 0.825 U–B = 0.350 | |
| 16.56 | |
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