Global Information839 Valborg information
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 24 September 1916 |
| Designations | |
MPC designation | (839) Valborg |
Alternative designations | 1916 AJ; 1948 CF; 1952 BW1; 1954 UH1 |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 95.57 yr (34908 d) |
| Aphelion | 3.0122 AU (450.62 Gm) |
| Perihelion | 2.2193 AU (332.00 Gm) |
Semi-major axis | 2.6158 AU (391.32 Gm) |
| Eccentricity | 0.15157 |
Orbital period (sidereal) | 4.23 yr (1545.2 d) |
Mean anomaly | 263.01° |
Mean motion | 0° 13m 58.692s / day |
| Inclination | 12.605° |
Longitude of ascending node | 338.211° |
Argument of perihelion | 339.558° |
| Earth MOID | 1.21054 AU (181.094 Gm) |
| Jupiter MOID | 2.32416 AU (347.689 Gm) |
| TJupiter | 3.357 |
| Physical characteristics | |
Mean radius | 10.195±0.4 km |
Synodic rotation period | 10.366 h (0.4319 d) |
Geometric albedo | 0.3534±0.028 |
Absolute magnitude (H) | 10.6 |
839 Valborg is a mid-sized S-type Eunomian asteroid. Its diameter is about 20 km, its albedo of 0.353 is very high for an asteroid[1]. Its rotation period is 10.366 hours[2].
- ^ "839 Valborg (1916 AJ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 4 May 2016.