| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 10 March 1890 |
| Designations | |
MPC designation | (289) Nenetta |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.69 yr (41526 d) |
| Aphelion | 3.46101 AU (517.760 Gm) |
| Perihelion | 2.28661 AU (342.072 Gm) |
Semi-major axis | 2.87381 AU (429.916 Gm) |
| Eccentricity | 0.20433 |
| 4.87 yr (1779.4 d) | |
| 104.307° | |
| 0° 12m 8.316s / day | |
| Inclination | 6.69535° |
| 182.114° | |
| 189.219° | |
| Physical characteristics | |
| Dimensions | 33.73±2.6 km |
| 6.902 h (0.2876 d) | |
| 0.2438±0.042 | |
| 9.51 | |
Nenetta (minor planet designation: 289 Nenetta) is a typical A-type asteroid. It was discovered by Auguste Charlois on 10 March 1890 in Nice.
The spectrum of 289 Nenetta reveals the strong presence of the mineral Olivine, a relative rarity in the asteroid belt.[2]
References
- ^ "289 Nenetta". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ Burbine, T. H.; et al. (July 2000), "The Nature of Olivine Asteroids", Meteoritics & Planetary Science, 35, pp. A35, Bibcode:2000M&PSA..35R..35B, doi:10.1111/j.1945-5100.2000.tb01796.x.
External links
- 289 Nenetta at AstDyS-2, Asteroids—Dynamic Site
- 289 Nenetta at the JPL Small-Body Database
