3428 Roberts
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| Discovery[1] | |
|---|---|
| Discovered by | Indiana Asteroid Program |
| Discovery site | Goethe Link Observatory |
| Discovery date | 1 May 1952 |
| Designations | |
| MPC designation | 3428 |
| Named after | Walter Orr Roberts |
| Alternative names | 1952 JH |
| Minor planet category | Main belt[2] |
| Orbital characteristics[3] | |
| Epoch 30 November 2008 | |
| Aphelion | 3.1007 AU |
| Perihelion | 2.2273 AU |
| Semi-major axis | 2.66397 AU |
| Eccentricity | 0.163923 |
| Orbital period | 1588.15 days (4.35 years) |
| Mean anomaly | 53.91° |
| Inclination | 8.841° |
| Longitude of ascending node | 231.251° |
| Argument of perihelion | 301.619° |
| Physical characteristics | |
| Rotation period | 3.278 ± 0.001 hours[4] |
| Absolute magnitude (H) | 12.0[5] |
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3428 Roberts (1952 JH) is a main-belt asteroid discovered on 1 May 1952 by the Indiana Asteroid Program at Goethe Link Observatory.[1] Named in honor of Walter Orr Roberts founding director of the National Center for Atmospheric Research.[6]
References
- ↑ 1.0 1.1 "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Archived from the original on 2 February 2009. Retrieved 30 December 2008.
- ↑ "3428 Roberts (1952 JH)". JPL Small-Body Database. Jet Propulsion Laboratory. Retrieved 31 December 2008.
- ↑ "(3428) Roberts". AstDyS. Italy: University of Pisa. Retrieved 31 December 2008.
- ↑ Oliver et al. (2008). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2008 March". The Minor Planet Bulletin 35 (4): 149–150. Bibcode:2008MPBu...35..149O.
- ↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved 30 December 2008.
- ↑ Schmadel, Lutz; International Astronomical Union (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 286. ISBN 978-3-540-00238-3. Retrieved 31 December 2008.
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