Global Information1518 Rovaniemi information
 Lightcurve-based 3D-model of Rovaniemi | |
| Discovery[1] | |
|---|---|
| Discovered by | Y. Väisälä |
| Discovery site | Turku Obs. |
| Discovery date | 15 October 1938 |
| Designations | |
MPC designation | (1518) Rovaniemi |
Named after | Rovaniemi (Finnish city)[2] |
Alternative designations | 1938 UA · 1928 TL 1951 SH |
Minor planet category | main-belt · (inner) Flora[3][4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 88.74 yr (32,412 days) |
| Aphelion | 2.5449 AU |
| Perihelion | 1.9053 AU |
Semi-major axis | 2.2251 AU |
| Eccentricity | 0.1437 |
Orbital period (sidereal) | 3.32 yr (1,212 days) |
Mean anomaly | 246.56° |
Mean motion | 0° 17m 49.2s / day |
| Inclination | 6.7137° |
Longitude of ascending node | 27.804° |
Argument of perihelion | 37.101° |
| Physical characteristics | |
| Dimensions | 7.46±1.30 km[5] 7.76±0.71 km[6] 8.480±0.167 km[7] 8.98 km (calculated)[3] 9.019±0.070 km[8] |
Synodic rotation period | 5.247±0.001 h[9] 5.249±0.002 h[10] |
Geometric albedo | 0.24 (assumed)[3] 0.2631±0.0374[8] 0.295±0.063[7] 0.31±0.17[5] 0.340±0.195[6] |
Spectral type | S[3] |
Absolute magnitude (H) | 12.3[8] · 12.34[6] · 12.4[1][3] · 12.68[5] |
1518 Rovaniemi, provisional designation 1938 UA, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. Discovered by Yrjö Väisälä at the Turku Observatory in 1938, the asteroid was later named after the Finnish city of Rovaniemi.
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