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63305 Bobkepple
Asteroid
Asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| name | 63305 Bobkepple |
| background | #D6D6D6 |
| discovery_ref | |
| discoverer | D. Healy |
| discovery_site | Junk Bond Obs. |
| discovered | 17 March 2001 |
| mpc_name | (63305) Bobkepple |
| alt_names | 2001 FE |
| named_after | George "Bob" Kepple |
| (deep-sky astronomer) | |
| mp_category | main-belt(outer) |
| Hygiea | |
| orbit_ref | |
| epoch | 23 March 2018 (JD 2458200.5) |
| uncertainty | 0 |
| observation_arc | 21.90 yr (7,998 days) |
| aphelion | 3.6936 AU |
| perihelion | 2.7077 AU |
| semimajor | 3.2006 AU |
| eccentricity | 0.1540 |
| period | 5.73 yr (2,091 days) |
| mean_anomaly | 221.60° |
| mean_motion | / day |
| inclination | 5.5602° |
| asc_node | 179.85° |
| arg_peri | 135.54° |
| mean_diameter | km |
| albedo | |
| abs_magnitude | 14.8 |
(deep-sky astronomer) Hygiea
63305 Bobkepple (provisional designation ****) is a carbonaceous Hygiean asteroid from the outer regions of the asteroid belt, approximately 6 km in diameter. It was discovered on 17 March 2001, by astronomer David Healy at the Junk Bond Observatory in Arizona, United States. The asteroid was named after Bob Kepple, co-author of The Night Sky Observer's Guide.
Orbit and classification
Bobkepple is a member of the Hygiea family (601), a large family of carbonaceous outer-belt asteroids, named after 10 Hygiea, the main belt's fourth-largest asteroid. It orbits the Sun in the outer main-belt at a distance of 2.7–3.7 AU once every 5 years and 9 months (2,091 days). Its orbit has an eccentricity of 0.15 and an inclination of 6° with respect to the ecliptic.
The body's observation arc begins with a precovery image taken by Spacewatch in March 1995, six years prior to its official discovery observation at Junk Bond Observatory.
Physical characteristics
Rotation period
As of 2017, no rotational lightcurve of Bobkepple has been obtained from photometric observations. The asteroid's rotation period, spin axis and shape remains unknown.
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Bobkepple measures 6.216 kilometers in diameter and its surface has an albedo of 0.055.
Naming
This minor planet was named after deep-sky astronomer George Robert Kepple, creator of the "Astro Cards" observing aids and co-author of The Night Sky Observer's Guide, popular among deep-sky observers. The official naming citation was published by the Minor Planet Center on 4 May 2004 (M.P.C. 51982).
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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