5185 Alerossi
| Discovery [1] | |
|---|---|
| Discovered by | H. E. Holt |
| Discovery site | Palomar Obs. |
| Discovery date | 15 September 1990 |
| Designations | |
| MPC designation | 5185 Alerossi |
|
Named after
|
Alessandro Rossi (geodesists)[2] |
| 1990 RV2 · 1933 SE 1955 SM · 1981 RA1 1984 HG · 1986 UR4 1988 FQ3 |
|
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 81.89 yr (29,912 days) |
| Aphelion | 2.9003 AU |
| Perihelion | 2.4515 AU |
| 2.6759 AU | |
| Eccentricity | 0.0838 |
| 4.38 yr (1,599 days) | |
| 169.51° | |
| Inclination | 8.3785° |
| 216.43° | |
| 216.68° | |
| Physical characteristics | |
| Dimensions | 12.86 km (IRAS: 2)[3] |
| 0.1408±0.031 (IRAS: 2)[3] | |
| 12.5[1] | |
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5185 Alerossi, provisional designation 1990 RV2, is an asteroid from the middle region of the asteroid belt, about 13 kilometers in diameter. It was discovered by American astronomer Henry Holt at the U.S. Palomar Observatory, California, on 15 September 1990.[4]
The asteroid orbits the Sun at a distance of 2.5–2.9 AU once every 4 years and 5 months (1,599 days). Its orbit shows an eccentricity of 0.08 and is tilted by 8 degrees to the plane of the ecliptic. It has an albedo of 0.14, according to two observations carried out by the Infrared Astronomical Satellite, IRAS.[3]
The minor planet was named in honor of Italian geodesists Alessandro Rossi (b. 1964), member of the Group of Satellite Flight Dynamics at the Istituto CNECE in Pisa, Italy. Expert in space geodesy and participant in the Laser Geodynamics Satellites (LAGEOS) mission, he also studies artificial orbital debris that pollute the near-Earth environment. In addition, Rossi studied natural debris around space mission targets to optimize encounter and rendezvous operations. He has also studied the hazard of Earth-crossing objects.[2]
References
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<references />, or <references group="..." />External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (5001)-(10000) – Minor Planet Center
- 5185 Alerossi at the JPL Small-Body Database
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