|
Discovery and designation
|
|
|---|---|
| Discovered by | Chernykh, L. I. |
| Discovery site | Nauchnyj |
| Discovery date | September 25, 1981 |
|
Designations
|
|
| MPC designation | 5091 |
| Alternate name(s) | 1981 SD4 |
| Epoch May 14, 2008 | |
| Ap | 2.8169552 |
| Peri | 2.7516968 |
| Eccentricity | 0.0117189 |
| Orbital period | 1696.9871925 |
| Mean anomaly | 11.84468 |
| Inclination | 3.20249 |
| Longitude of ascending node | 270.33116 |
| Argument of peri | 334.98237 |
| Absolute magnitude (H) | 12.1 |
5091 Isakovskij (1981 SD4) is a main-belt asteroid discovered on September 25, 1981 by Chernykh, L. I. at Nauchnyj.