30718 Records
30718 Records (provisional designation 1955 RB1) is a dark background asteroid from the central region of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 14 September 1955, by Indiana University's Indiana Asteroid Program at its Goethe Link Observatory near Brooklyn, Indiana, United States. It was the program's final discovery and was named after IU's astronomy staff member Brenda Records.
| Discovery | |
|---|---|
| Discovered by | Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 14 September 1955 |
| Designations | |
MPC designation | (30718) Records |
Named after | Brenda Records (Indiana manager) |
Alternative designations | 1955 RB1 · 1955 TJ 1964 PH · 1978 VN13 2001 KW67 |
Minor planet category | main-belt (middle) background |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.44 yr (22,442 days) |
| Aphelion | 3.6403 AU |
| Perihelion | 1.8894 AU |
Semi-major axis | 2.7649 AU |
| Eccentricity | 0.3166 |
Orbital period (sidereal) | 4.60 yr (1,679 days) |
Mean anomaly | 185.58° |
Mean motion | 0° 12m 51.84s / day |
| Inclination | 5.2938° |
Longitude of ascending node | 278.31° |
| 54.686° | |
| Physical characteristics | |
Mean diameter | 9.219±0.022 km |
| 0.066±0.010 | |
| 14.0 | |
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