515 Athalia
Athalia (minor planet designation: 515 Athalia), provisional designation 1903 ME, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 40 kilometers in diameter. It was discovered on 20 September 1903, by German astronomer Max Wolf at the Heidelberg Observatory in southwest Germany. The asteroid was named after the ancient Judahite queen Athaliah.
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 20 September 1903 |
| Designations | |
MPC designation | (515) Athalia |
| Pronunciation | /æθəˈlaɪə/ |
Named after | Athaliah (ancient queen consort) |
Alternative designations | 1903 ME · 1931 TQ 1937 WO · 1937 WQ 1937 WR · 1937 YH 1953 TD · 1974 QA3 1977 CF |
Minor planet category | main-belt · (outer) Themis |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.79 yr (41,562 days) |
| Aphelion | 3.6671 AU |
| Perihelion | 2.5797 AU |
Semi-major axis | 3.1234 AU |
| Eccentricity | 0.1741 |
Orbital period (sidereal) | 5.52 yr (2,016 days) |
Mean anomaly | 178.72° |
Mean motion | 0° 10m 42.96s / day |
| Inclination | 2.0376° |
Longitude of ascending node | 121.11° |
| 300.16° | |
| Physical characteristics | |
| Dimensions | 32.75±10.79 km 33.47±10.06 km 38.22 km (SIMPS) 38.80±0.66 km 39.76±1.38 km 41.190±0.146 km 43.0±0.2 km 45.280±0.399 km |
Synodic rotation period | 10.636±0.001 h |
| 0.0278±0.0045 0.031±0.006 0.037±0.003 0.038±0.005 0.039±0.004 0.0390 (SIMPS) 0.06±0.03 0.07±0.11 | |
| Tholen = no classification possible SMASS = Cb B–V = 0.875 U–B = 0.415 | |
| 10.6 · 10.76±0.26 · 10.89 · 11.23 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.