619 Triberga is a main belt asteroid discovered on 22 October 1906 by August KopffatHeidelberg-Königstuhl State Observatory.[1] Since it has an orbit that repeats itself almost exactly every four years with respect to the position of the Sun and Earth, it has been suggested as a way to calculate the mass of the Moon.[8] Triberga was named for the German town of Triberg.[9]
| Discovery [1] | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg Obs. |
| Discovery date | 22 October 1906 |
| Designations | |
| (619) Triberga | |
Named after | Triberg im Schwarzwald |
| 1906 WC | |
| Main belt [2] | |
| Orbital characteristics [2][3] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.47 yr (39985 d) |
| Aphelion | 2.7084 AU (405.17 Gm) |
| Perihelion | 2.3342 AU (349.19 Gm) |
| 2.5213 AU (377.18 Gm) | |
| Eccentricity | 0.074209 |
| 4.00 yr (1462.3 d) | |
| 188.954° | |
| 0° 14m 46.284s / day | |
| Inclination | 13.799° |
| 187.484° | |
| 178.250° | |
| Physical characteristics | |
| 43 km | |
|
| |
| S [6] | |
| 9.95 [7] | |
Since it has an absolute magnitude of 9.9, it is roughly 43 km in diameter. It has an opposition apparent magnitude of 13.5.
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