Global Information1494 Savo information
 Shape of Savo modelled from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | Y. Väisälä |
| Discovery site | Turku Obs. |
| Discovery date | 16 September 1938 |
| Designations | |
MPC designation | (1494) Savo |
Named after | Savonia[2] (Finnish region) |
Alternative designations | 1938 SJ · 1925 RL 1938 SG1 · 1948 VR 1951 SV · 1953 GD 1966 HB · 1976 HZ |
Minor planet category | main-belt · (inner)[3] background[4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.50 yr (28,673 days) |
| Aphelion | 2.4777 AU |
| Perihelion | 1.9019 AU |
Semi-major axis | 2.1898 AU |
| Eccentricity | 0.1315 |
Orbital period (sidereal) | 3.24 yr (1,184 days) |
Mean anomaly | 114.29° |
Mean motion | 0° 18m 14.76s / day |
| Inclination | 2.4560° |
Longitude of ascending node | 195.02° |
Argument of perihelion | 184.32° |
| Physical characteristics | |
| Dimensions | 7.80±0.22 km[5] 7.804±0.219 km[5] 9.23±0.43 km[6] 10.30 km (calculated)[3] |
Synodic rotation period | 5.35011±0.00028 h[a] 5.35020±0.00005 h[7] 5.35031±0.00005 h[7] 5.35059±0.00001 h[8] 5.35059±0.00005 h[9] 5.35062±0.00005 h[7] |
Geometric albedo | 0.173±0.017[6] 0.20 (assumed)[3] 0.349±0.061[5] |
Spectral type | SMASS = Sa[1] · S[3] |
Absolute magnitude (H) | 12.08±0.24[10] · 12.30[1][3][5] · 12.70[6] |
1494 Savo, provisional designation 1938 SJ, is a stony background asteroid from the inner region of the asteroid belt, approximately 8 kilometers in diameter. Discovered by astronomer Yrjö Väisälä at the Turku Observatory in 1938, the asteroid was later named after the Finnish region of Savonia.[2]
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