1444 Pannonia
1444 Pannonia (prov. designation: 1938 AE) is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 29 kilometers (18 miles) in diameter. It was discovered on 6 January 1938, by Hungarian astronomer György Kulin at Konkoly Observatory in Budapest, Hungary. It was named after the ancient province of the Roman Empire, Pannonia.
Modelled shape of Pannonia from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | G. Kulin |
| Discovery site | Konkoly Obs. |
| Discovery date | 6 January 1938 |
| Designations | |
MPC designation | (1444) Pannonia |
| Pronunciation | /pəˈnoʊniə/ |
Named after | Pannonia (ancient province) |
Alternative designations | 1938 AE |
Minor planet category | main-belt · (outer) |
| Orbital characteristics | |
| Epoch 16 February 2017 (JD 2457800.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.23 yr (28,575 days) |
| Aphelion | 3.5915 AU |
| Perihelion | 2.7128 AU |
Semi-major axis | 3.1521 AU |
| Eccentricity | 0.1394 |
Orbital period (sidereal) | 5.60 yr (2,044 days) |
Mean anomaly | 268.73° |
Mean motion | 0° 10m 33.96s / day |
| Inclination | 17.761° |
Longitude of ascending node | 303.33° |
| 310.87° | |
| Physical characteristics | |
Mean diameter | 26.363±0.141 km 27.14 km (derived) 28±3 km 28.3±2.8 km 29.20±2.2 km 30.48±0.53 km 30.92±9.63 km 31.49±9.20 km |
Synodic rotation period | 6.2±0.1 h 6.205±0.003 h 10.756±0.006 h |
| 0.04±0.02 0.05±0.06 0.0501 (derived) 0.053±0.005 0.07±0.01 0.070±0.003 0.4748±0.081 | |
| C | |
| 9.10 · 11.10 · 11.18±0.62 · 11.30 · 11.4 · 11.7 · 11.73 | |
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