1441 Bolyai
1441 Bolyai, provisional designation 1937 WA, is a dark asteroid from the central region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 26 November 1937, by Hungarian astronomer György Kulin at Konkoly Observatory in Budapest, Hungary. The asteroid was named after Hungarian mathematician János Bolyai.
| Discovery | |
|---|---|
| Discovered by | G. Kulin |
| Discovery site | Konkoly Obs. |
| Discovery date | 26 November 1937 |
| Designations | |
MPC designation | (1441) Bolyai |
Named after | János Bolyai (Hungarian mathematician) |
Alternative designations | 1937 WA |
Minor planet category | main-belt · (middle) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 79.57 yr (29,064 days) |
| Aphelion | 3.2591 AU |
| Perihelion | 2.0031 AU |
Semi-major axis | 2.6311 AU |
| Eccentricity | 0.2387 |
Orbital period (sidereal) | 4.27 yr (1,559 days) |
Mean anomaly | 287.12° |
Mean motion | 0° 13m 51.24s / day |
| Inclination | 13.918° |
Longitude of ascending node | 254.02° |
| 116.01° | |
| Physical characteristics | |
| Dimensions | 12.31±3.67 km 13.50±3.27 km 14.65±6.43 km 14.75 km (derived) 14.76±1.4 km (IRAS:2) |
| 0.0426 (derived) 0.0467±0.011 (IRAS:2) 0.047±0.101 0.05±0.03 0.05±0.07 | |
| (S)/C (assumed) | |
| 13.1 · 13.2 · 13.35 | |
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