(15692) 1984 RA
| Discovery | |
|---|---|
| Discovered by | M. Barucci |
| Discovery site | Palomar Obs. |
| Discovery date | 1 September 1984 |
| Designations | |
| (15692) 1984 RA | |
| 1984 RA · 1986 JT1 1992 SZ26 | |
| main-belt · (inner) Hungaria | |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 41.44 yr (15,135 d) |
| Aphelion | 2.1225 AU |
| Perihelion | 1.7302 AU |
| 1.9264 AU | |
| Eccentricity | 0.1018 |
| 2.67 yr (977 d) | |
| 138.59° | |
| 0° 22m 6.96s / day | |
| Inclination | 23.217° |
| 142.60° | |
| 273.05° | |
| Physical characteristics | |
| 1.728±0.273 km 2.43 km (calculated) | |
| 37.44±0.05 h | |
| 0.30 (assumed) 0.780±0.146 | |
| E (assumed) | |
| 14.7 14.85±0.97 14.9 15.0 | |
(15692) 1984 RA (provisional designation 1984 RA) is a Hungaria asteroid from the innermost regions of the asteroid belt, approximately 2 kilometers (1.2 miles) in diameter. It was discovered on 1 September 1984, by Italian astronomer Maria Barucci at the Palomar Observatory in California, United States. The presumed E-type asteroid has a longer-than average rotation period of 37.4 hours and possibly an elongated shape.