2058 Róka
2058 Róka, provisional designation 1938 BH, is a Themistian asteroid from the outer regions of the asteroid belt, approximately 22 kilometers in diameter.
| Discovery | |
|---|---|
| Discovered by | G. Kulin |
| Discovery site | Konkoly Obs. |
| Discovery date | 22 January 1938 |
| Designations | |
MPC designation | (2058) Róka |
Named after | Gedeon Róka (1906–1974) (Hungarian science writer) |
Alternative designations | 1938 BH · 1951 NP 1962 NA · 1963 UM 1974 SZ1 · 1978 AE 1985 UL3 |
Minor planet category | main-belt · Themis |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 79.18 yr (28,920 days) |
| Aphelion | 3.5790 AU |
| Perihelion | 2.6682 AU |
Semi-major axis | 3.1236 AU |
| Eccentricity | 0.1458 |
Orbital period (sidereal) | 5.52 yr (2,016 days) |
Mean anomaly | 17.333° |
Mean motion | 0° 10m 42.6s / day |
| Inclination | 2.5352° |
Longitude of ascending node | 95.329° |
| 180.50° | |
| Physical characteristics | |
| Dimensions | 21.12 km (derived) 21.36±3.1 km 23.40±0.52 km 24.122±0.246 km 24.273±0.234 km |
Synodic rotation period | 10.04±0.02 h 10.09±0.01 h |
| 0.0995 (derived) 0.1196±0.0252 0.121±0.017 0.130±0.006 0.1542±0.056 | |
| C · S | |
| 11.0 · 11.5 · 11.56±0.34 | |
It was discovered on 22 January 1938, by Hungarian György Kulin at Konkoly Observatory in Budapest, Hungary. The asteroid was named in memory of Hungarian science writer Gedeon Róka.
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