Back 6312 Robheinlein (كويكب) ARZ (6312) Робхайнлайн CE (6312) Robheinlein German 6312 Robheinlein Esperanto (6312) Robheinlein Spanish سیارک ۶۳۱۲ Persian (6312) Robheinlein French 6312 Robheinlein Hungarian (6312) Ռոբհեյնլեյն Armenian 6312 Robheinlein Italian
 Orbital diagram of Robheinlein | |
| Discovery [1] | |
|---|---|
| Discovered by | H. E. Holt |
| Discovery site | Palomar Obs. |
| Discovery date | 14 September 1990 |
| Designations | |
| (6312) Robheinlein | |
Named after | Robert A. Heinlein [1] (science fiction writer) |
| 1990 RH4 · 1982 BW2 | |
| main-belt [1][2] · (inner) background [3][4] · Augusta [5][6] | |
| Orbital characteristics [2] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 36.26 yr (13,244 d) |
| Aphelion | 2.3358 AU |
| Perihelion | 2.0321 AU |
| 2.1839 AU | |
| Eccentricity | 0.0695 |
| 3.23 yr (1,179 d) | |
| 114.41° | |
| 0° 18m 19.44s / day | |
| Inclination | 4.1155° |
| 157.25° | |
| 283.14° | |
| Physical characteristics | |
| 3.588±0.657 km[7] | |
| 0.314±0.109[7] | |
| L (SDSS-MOC)[8] | |
| 14.1[1][2] | |
6312 Robheinlein (prov. designation: 1990 RH4) is a bright Augusta or background asteroid from the inner regions of the asteroid belt, that measures approximately 3.5 kilometers (2.2 miles) in diameter. It was discovered on 14 September 1990, by American astronomer Henry Holt at the Palomar Observatory in California. The uncommon L-type asteroid was named for American science fiction writer Robert A. Heinlein.[1]
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