1818 Brahms
1818 Brahms, provisional designation 1939 PE, is an asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 15 August 1939, by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany. The asteroid was named after composer Johannes Brahms.
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 15 August 1939 |
| Designations | |
MPC designation | (1818) Brahms |
Named after | Johannes Brahms (German composer) |
Alternative designations | 1939 PE · 1936 TF 1955 SU · 1955 TN 1955 UC · A904 RE |
Minor planet category | main-belt · (inner) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 112.50 yr (41,092 days) |
| Aphelion | 2.5504 AU |
| Perihelion | 1.7770 AU |
Semi-major axis | 2.1637 AU |
| Eccentricity | 0.1787 |
Orbital period (sidereal) | 3.18 yr (1,163 days) |
Mean anomaly | 194.32° |
Mean motion | 0° 18m 34.92s / day |
| Inclination | 2.9782° |
Longitude of ascending node | 249.48° |
| 74.560° | |
| Physical characteristics | |
| Dimensions | 8±3 km (generic) |
| 13.8 | |
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