| Name | |
|---|---|
| Name | Etrépigny |
| Designation | 1989 SR2 |
| Discovery | |
| Discoverer | E. W. Elst |
| Discovery date | September 26, 1989 |
| Orbital elements | |
| Epoch October 27, 2007 (JDCT 2454400.5) | |
| Eccentricity (e) | 0.0393061 |
| Semimajor axis (a) | 2.8977991 AU |
| Perihelion (q) | 2.7838979 AU |
| Aphelion (Q) | 3.0117003 AU |
| Orbital period (P) | 4.93 a |
| Inclination (i) | 3.37258° |
| Longitude of the ascending node (Ω) | 99.49788° |
| Argument of Perihelion (ω) | 341.29484° |
| Mean anomaly (M) | 221.42809° |
7647 Etrépigny is a main belt asteroid with an orbital period of 1814.8529379 days (4.97 years).[1]
The asteroid was discovered on November 15, 1995.