1708 Pólit
1708 Pólit, provisional designation 1929 XA, is a very dark asteroid from the outer region of the asteroid belt, approximately 29 kilometers in diameter. It was discovered on 30 November 1929, by Spanish astronomer of Catalan origin Josep Comas i Solà at the Fabra Observatory in Barcelona, and was later named after Catalan astronomer Isidre Pòlit i Boixareu.
| Discovery | |
|---|---|
| Discovered by | J. Comas Solà |
| Discovery site | Fabra Obs. |
| Discovery date | 30 November 1929 |
| Designations | |
MPC designation | (1708) Pólit |
Named after | Isidre Pòlit (Catalan astronomer) |
Alternative designations | 1929 XA · 1934 XF 1939 YB |
Minor planet category | main-belt · (outer) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 87.51 yr (31,964 days) |
| Aphelion | 3.8064 AU |
| Perihelion | 2.0159 AU |
Semi-major axis | 2.9111 AU |
| Eccentricity | 0.3075 |
Orbital period (sidereal) | 4.97 yr (1,814 days) |
Mean anomaly | 213.43° |
Mean motion | 0° 11m 54.24s / day |
| Inclination | 6.0445° |
Longitude of ascending node | 192.21° |
| 248.96° | |
| Physical characteristics | |
| Dimensions | 27.46±1.30 km 28.06±6.19 km 28.706±0.057 km 29.30±1.7 km 30.282±0.071 km 33.44±1.53 km |
Synodic rotation period | 7.5080±0.0002 h 7.5085±0.001 h 7.520±0.002 h |
| 0.035±0.004 0.0350±0.0055 0.0392±0.005 0.04±0.01 0.042±0.008 | |
| C | |
| 11.70 · 11.8 · 11.86 | |
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