1077 Campanula
1077 Campanula, provisional designation 1926 TK, is a presumed Erigonian asteroid, approximately 9 kilometers (5.6 miles) in diameter, located in the inner region of the asteroid belt. It was discovered on 6 October 1926, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. The asteroid was named after the bellflower Campanula.
Shape model of Campanula from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 6 October 1926 |
| Designations | |
MPC designation | (1077) Campanula |
| Pronunciation | /kæmˈpænjʊlə/ |
Named after | Campanula (bellflower) |
Alternative designations | 1926 TK · 1957 AJ 1972 CB |
Minor planet category | main-belt · (inner) Erigone |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 90.56 yr (33,077 days) |
| Aphelion | 2.8655 AU |
| Perihelion | 1.9220 AU |
Semi-major axis | 2.3938 AU |
| Eccentricity | 0.1971 |
Orbital period (sidereal) | 3.70 yr (1,353 days) |
Mean anomaly | 218.36° |
Mean motion | 0° 15m 57.96s / day |
| Inclination | 5.3941° |
Longitude of ascending node | 346.20° |
| 13.591° | |
| Physical characteristics | |
Mean diameter | 7.55±1.72 km 9±2 km 9.709±0.278 km |
Synodic rotation period | 3.847±0.002 h 3.850±0.001 h 3.850486±0.000001 h 3.85085±0.00005 h 3.852±0.002 h |
Pole ecliptic latitude |
|
| 0.225±0.017 0.2253±0.0169 0.33±0.12 | |
| S V–R = 0.400±0.070 | |
| 12.3 | |
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