227 Philosophia
227 Philosophia| Discovery |
|---|
| Discovered by |
P.P. Henry |
|---|
| Discovery date |
August 12, 1882 |
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| Designations |
|---|
Named after |
Philosophy |
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|
A919 AA, 1933 SD1,
1949 OO1 |
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|
Main belt |
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| Orbital characteristics[1] |
|---|
|
Epoch 30 January 2005 (JD 2453400.5) |
| Aphelion |
564.979 Gm (3.777 AU) |
|---|
| Perihelion |
378.046 Gm (2.527 AU) |
|---|
|
471.513 Gm (3.152 AU) |
|---|
| Eccentricity |
0.198 |
|---|
|
2043.817 d (5.6 a) |
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|
16.78 km/s |
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|
57.849° |
|---|
| Inclination |
9.148° |
|---|
|
327.808° |
|---|
|
262.118° |
|---|
| Physical characteristics |
|---|
| Dimensions |
87.0 km |
|---|
|
8.7 |
|---|
|
|
227 Philosophia is a large main-belt asteroid that was discovered by the French astronomer Paul-Pierre Henry on August 12, 1882, in Paris and named after the topic of philosophy. Based upon photometric observations, it has a synodic rotation period of 52.98 ± 0.01 with a brightness variation of 0.15 ± 0.02 in magnitude.[2]
References
- ↑ Yeomans, Donald K., "227 Philosophia", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-30.
- ↑ Pilcher, Frederick; Alkema, Michael S. (July 2014), "Rotation Period Determination for 227 Philosophia", The Minor Planet Bulletin 41 (3): 188–189, Bibcode:2014MPBu...41..188P.
External links