9524 O'Rourke
From Infogalactic: the planetary knowledge core
| Discovery [1] | |
|---|---|
| Discovered by | S. J. Bus |
| Discovery site | Siding Spring Obs. |
| Discovery date | 2 March 1981 |
| Designations | |
| MPC designation | 9524 O'Rourke |
|
Named after
|
Laurence O'Rourke[2] |
| 1981 EJ5 · 1975 NU | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 39.39 yr (14,387 days) |
| Aphelion | 2.6941 AU |
| Perihelion | 1.7004 AU |
| 2.1972 AU | |
| Eccentricity | 0.2261 |
| 3.26 yr (1189.6 days) | |
| 93.473° | |
| Inclination | 4.9438° |
| 287.03° | |
| 9.9220° | |
| Earth MOID | 0.6845 AU |
| Physical characteristics | |
| 14.6 | |
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9524 O'Rourke, provisionally designated 1981 EJ5, is a main-belt asteroid. It was discovered by Schelte J. Bus at the Siding Spring Observatory near Coonabarabran, New South Wales, Australia, on March 2, 1981.[1]
It is named after Laurence O'Rourke, a researcher at the European Space Astronomy Centre in Madrid and SGS operations coordinator of the Rosetta mission.[2][3]
See also
References
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