Global Information1544 Vinterhansenia information
| Discovery[1] | |
|---|---|
| Discovered by | L. Oterma |
| Discovery site | Turku Obs. |
| Discovery date | 15 October 1941 |
| Designations | |
MPC designation | (1544) Vinterhansenia |
Named after | Julie Vinter Hansen (astronomer)[2] |
Alternative designations | 1941 UK · 1928 DO 1937 RK · 1939 CL 1948 QT · 1974 YB A906 DB · A919 UB |
Minor planet category | main-belt · (inner)[3] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.12 yr (40,586 days) |
| Aphelion | 2.6230 AU |
| Perihelion | 2.1227 AU |
Semi-major axis | 2.3729 AU |
| Eccentricity | 0.1054 |
Orbital period (sidereal) | 3.66 yr (1,335 days) |
Mean anomaly | 251.35° |
Mean motion | 0° 16m 10.56s / day |
| Inclination | 3.3342° |
Longitude of ascending node | 59.973° |
Argument of perihelion | 356.51° |
| Physical characteristics | |
| Dimensions | 20.76±2.50 km[4] 21.63 km (derived)[3] 21.71±1.5 km[5] 24.29±6.90 km[6] 24.561±0.080 km[7] 26.230±0.201 km[8] |
Synodic rotation period | 13.7±0.1 h[9] 13.77±0.01 h[10] |
Geometric albedo | 0.0404±0.0052[8] 0.046±0.041[6] 0.058±0.007[7] 0.0599 (derived)[3] 0.06±0.01[4] 0.0784±0.012[5] |
Spectral type | X[11] · C[3] |
Absolute magnitude (H) | 11.7[5][8] · 12.0[1][3] · 12.02[4] · 12.05[6] · 12.06±0.25[11] |
1544 Vinterhansenia, provisional designation 1941 UK, is a dark asteroid from the inner regions of the asteroid belt, approximately 22 kilometers in diameter. It was discovered on 15 October 1941, by Finnish astronomer Liisi Oterma at Turku Observatory in Southwest Finland, and named for Danish astronomer Julie Vinter Hansen.[2][12]
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