863 Benkoela
863 Benkoela /bɛŋˈkuːlə/ is an A-type asteroid orbiting the Sun that was discovered by German astronomer Max Wolf on 9 February 1917 from Heidelberg.
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 9 February 1917 |
| Designations | |
| (863) Benkoela | |
| Pronunciation | /bɛŋˈkuːlə/ |
| 1917 BH | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 99.11 yr (36199 days) |
| Aphelion | 3.2950 AU (492.92 Gm) |
| Perihelion | 3.1059 AU (464.64 Gm) |
| 3.2004 AU (478.77 Gm) | |
| Eccentricity | 0.029538 |
| 5.73 yr (2091.3 d) | |
| 52.959° | |
| 0° 10m 19.704s / day | |
| Inclination | 25.418° |
| 116.948° | |
| 95.689° | |
| Earth MOID | 2.15664 AU (322.629 Gm) |
| Jupiter MOID | 1.91339 AU (286.239 Gm) |
| TJupiter | 3.042 |
| Physical characteristics | |
Mean radius | 13.53±0.75 km |
| 8.20 h (0.342 d) | |
| 0.5952±0.070 | |
| 9.02 | |
10µ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 34 km.[2]
References
- Yeomans, Donald K., "863 Benkoela", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 4 May 2016.
- Morrison, D.; Chapman, C. R. (March 1976), "Radiometric diameters for an additional 22 asteroids", Astrophysical Journal, 204, pp. 934–939, Bibcode:2008mgm..conf.2594S, doi:10.1142/9789812834300_0469.
External links
- Lightcurve plot of 863 Benkoela, Palmer Divide Observatory, B. D. Warner (2004)
- 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 (1)-(5000) – Minor Planet Center
- 863 Benkoela at AstDyS-2, Asteroids—Dynamic Site
- 863 Benkoela at the JPL Small-Body Database
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