| Name | |
|---|---|
| Name | Griffioen |
| Designation | 2003 RA11 |
| Discovery | |
| Discoverer | A. Vanden Heuvel |
| Discovery date | September 5, 2003 |
| Orbital elements | |
| Epoch October 27, 2007 (JDCT 2454400.5) | |
| Eccentricity (e) | 0.0331991 |
| Semimajor axis (a) | 2.8734192 AU |
| Perihelion (q) | 2.7780243 AU |
| Aphelion (Q) | 2.9688141 AU |
| Orbital period (P) | 4.87 a |
| Inclination (i) | 7.53191° |
| Longitude of the ascending node (Ω) | 173.68222° |
| Argument of Perihelion (ω) | 119.28202° |
| Mean anomaly (M) | 28.11418° |
128177 Griffioen is a main belt asteroid with an orbital period of 1779.0858671 days (4.87 years).[1]
The asteroid was discovered on September 5, 2003.
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