3147 Samantha is a main belt asteroid, discovered by Lyudmila Ivanovna Chernykh on December 16, 1976. She named her discovery in memory of the young American peace activist Samantha Smith. The Official Certificate was presented to her mother Jane Smith on February 28, 1987.
Orbital Information
Keplerian elements at epoch 53450
| a (AU) |
2.62088 |
| eccentricity |
0.196591 |
| inclination (deg) |
3.541 |
| Asc. node (deg) |
216.159 |
| Arg. perih. (deg) |
242.487 |
| M (deg) |
228.868 |
Other useful data:
| Absolute Magnitude |
13.348 |
| Slope parameter |
0.15 |
| Perihelion (AU) |
2.1056 |
| Aphelion (AU) |
3.1361 |
| Asc. node-Earth sep. (AU) |
1.76527 |
| Desc. node-Earth sep. (AU) |
1.3173 |
| Earth MOID (AU) |
1.12517 |
| Orbital period (days) |
1549.78 |
| Diameter (km) |
29.0 |
| First obs. (day/mo/yr) |
16.943980/12/1976 |
| Last obs. (day/mo/yr) |
11.320650/06/2004 |
| Number of obs. |
274 |
External links