2201 Oljato
2201 Oljato, provisional designation 1947 XC, is a stony and extremely eccentric active asteroid and sizable near-Earth object of the Apollo group, approximately 2 kilometers in diameter. It has an Earth minimum orbit intersection distance of 0.0031 AU (460 thousand km) and is associated with the Beta Taurids daytime meteor shower.
| Discovery | |
|---|---|
| Discovered by | H. L. Giclas |
| Discovery site | Lowell Obs. |
| Discovery date | 12 December 1947 |
| Designations | |
MPC designation | (2201) Oljato |
Named after | Oljato–Monument Valley (Navajo Reservation) |
Alternative designations | 1947 XC · 1979 VU2 1979 XA |
Minor planet category | NEO · PHA · Amor |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.90 yr (31,008 days) |
| Earliest precovery date | 3 December 1931 |
| Aphelion | 3.7257 AU |
| Perihelion | 0.6243 AU |
Semi-major axis | 2.1750 AU |
| Eccentricity | 0.7130 |
Orbital period (sidereal) | 3.21 yr (1,172 days) |
Mean anomaly | 255.69° |
| Inclination | 2.5224° |
Longitude of ascending node | 74.991° |
| 98.264° | |
| Earth MOID | 0.0031 AU · 1.2 LD |
| Physical characteristics | |
| Dimensions | 1.80±0.1 km (IRAS:11) 2.15 km |
Synodic rotation period | 24 h 26 h |
| 0.24 0.4328±0.030 (IRAS:11) | |
| SMASS = Sq · C · S | |
| 15.00 · 15.25 · 15.50 · 15.50±0.42 · 15.55 | |
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