3184 Raab
| Discovery | |
|---|---|
| Discovered by | E. L. Johnson |
| Discovery site | Johannesburg (UO) |
| Discovery date | 22 August 1949 |
| Designations | |
| MPC designation | 3184 |
| 1949 QC | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 24300 days (66.53 yr) |
| Aphelion | 3.3693459 AU (504.04697 Gm) |
| Perihelion | 1.9610525 AU (293.36928 Gm) |
| 2.665199 AU (398.7081 Gm) | |
| Eccentricity | 0.2642004 |
| 4.35 yr (1589.3 d) | |
| 87.907772° | |
| 0° 13m 35.478s / day | |
| Inclination | 8.197570° |
| 97.21854° | |
| 237.98280° | |
| Earth MOID | 0.96337 AU (144.118 Gm) |
| Jupiter MOID | 2.04129 AU (305.373 Gm) |
| Jupiter Tisserand parameter | 3.319 |
| Physical characteristics | |
| Dimensions | 19.3 km[2] |
| 274.9437 h (11.45599 d) | |
| 0.05[2] | |
| C? | |
| 12.2 | |
|
| |
3184 Raab (1949 QC) is a main-belt asteroid discovered on August 22, 1949 by E. L. Johnson at the Union Observatory, Johannesburg, South Africa.
In May 1996, following a proposal by Brian G. Marsden and Gareth V. Williams, the asteroid was named in honor of Herbert Raab, an Austrian software engineer, amateur astronomer and developer of the software Astrometrica.[3]
From observations made with the WISE space telescope, the diameter of the asteroid was determined to 19.3 kilometers, the albedo to 0.05.[2] The low albedo of this objects suggests that is a C-type asteroid.
References
- ↑ "3184 Raab (1949 QC)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016.
- 1 2 3 Joseph R. Masiero et al.: Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters. The Astrophysical Journal, Vol. 741, No. 2, pp. 68 (2011) pdf Data
- ↑ Lutz D. Schmadel: Dictionary of Minor Planet Names (5th Edition), p. 264. Springer Verlag, Berlin/Heidelberg 2003, ISBN 3-540-00238-3
External links
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