9950 ESA
Animated orbit of 9950 ESA | |
| Discovery | |
|---|---|
| Discovered by | C. Pollas |
| Discovery site | Caussols Obs. (010) |
| Discovery date | 8 November 1990 |
| Designations | |
| (9950) ESA | |
Named after | European Space Agency |
| 1990 VB | |
| NEO · Amor Mars-crosser | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 26.90 yr (9,824 days) |
| Aphelion | 3.7367 AU |
| Perihelion | 1.1391 AU |
| 2.4379 AU | |
| Eccentricity | 0.5328 |
| 3.81 yr (1,390 days) | |
| 17.795° | |
| 0° 15m 32.04s / day | |
| Inclination | 14.597° |
| 253.51° | |
| 103.57° | |
| Earth MOID | 0.2806 AU · 109.3 LD |
| Physical characteristics | |
| Dimensions | 1.71 km (calculated) 3 km (estimated): 21 |
| 6.707±0.002 h 6.7078±0.0007 h 6.712±0.005 h | |
| 0.20 (assumed) | |
| S (assumed) | |
| 16.2 | |
9950 ESA, provisional designation 1990 VB, is an eccentric asteroid and elongated near-Earth object of the Amor group, approximately 1.7 kilometers in diameter. It was discovered on 8 November 1990, by French astronomer Christian Pollas at the Centre de recherches en géodynamique et astrométrie (Cerga) at Caussols in southeastern France. It was named for the European Space Agency (ESA).