289 Nenetta

Nenetta (minor planet designation: 289 Nenetta) is a typical A-type asteroid. It was discovered by Auguste Charlois on 10 March 1890 in Nice.

289 Nenetta
Discovery
Discovered byAuguste Charlois
Discovery date10 March 1890
Designations
(289) Nenetta
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc113.69 yr (41526 d)
Aphelion3.46101 AU (517.760 Gm)
Perihelion2.28661 AU (342.072 Gm)
2.87381 AU (429.916 Gm)
Eccentricity0.20433
4.87 yr (1779.4 d)
104.307°
0° 12m 8.316s / day
Inclination6.69535°
182.114°
189.219°
Physical characteristics
Dimensions33.73±2.6 km
6.902 h (0.2876 d)
0.2438±0.042
9.51

    The spectrum of 289 Nenetta reveals the strong presence of the mineral Olivine, a relative rarity in the asteroid belt.[2]

    References

    1. "289 Nenetta". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
    2. 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.


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