345 Tercidina
Tercidina (minor planet designation: 345 Tercidina) is a large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
A three-dimensional model of 345 Tercidina based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 23 November 1892 |
| Designations | |
MPC designation | (345) Tercidina |
| Pronunciation | /tɜːrsɪˈdaɪnə/ |
Named after | (unknown) |
Alternative designations | 1892 O |
Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 122.88 yr (44882 d) |
| Aphelion | 2.46765 AU (369.155 Gm) |
| Perihelion | 2.18337 AU (326.628 Gm) |
Semi-major axis | 2.32551 AU (347.891 Gm) |
| Eccentricity | 0.061120 |
Orbital period (sidereal) | 3.55 yr (1295.3 d) |
Mean anomaly | 288.675° |
Mean motion | 0° 16m 40.526s / day |
| Inclination | 9.74765° |
Longitude of ascending node | 212.629° |
| 230.279° | |
| Physical characteristics | |
| Dimensions | 126x94x90 km 94 km (mean) 98.78 ± 2.63 km |
| Mass | (2.68 ± 1.18) × 1018 kg |
Mean density | 5.30 ± 2.37 g/cm3 |
Synodic rotation period | 12.371 h (0.5155 d) |
| 0.0654±0.007 | |
| C | |
| 8.71 | |
It was discovered by Auguste Charlois on 23 November 1892, in Nice.
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