Tamara (minor planet designation: 326 Tamara) is a large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material. It is the largest member and namesake of the Tamara Family, a 264 million year-old sub-family of the collisional Phocaea family.
Discovery | |
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Discovered by | Johann Palisa |
Discovery date | 19 March 1892 |
Designations | |
MPC designation | (326) Tamara |
Pronunciation | /ˈtæmərə/[1] |
Named after | Tamar |
Minor planet category | Main belt |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 122.57 yr (44770 d) |
Aphelion | 2.75738 AU (412.498 Gm) |
Perihelion | 1.87764 AU (280.891 Gm) |
Semi-major axis | 2.31751 AU (346.695 Gm) |
Eccentricity | 0.18980 |
Orbital period (sidereal) | 3.53 yr (1288.6 d) |
Mean anomaly | 26.2160° |
Mean motion | 0° 16m 45.714s / day |
Inclination | 23.7294° |
Longitude of ascending node | 32.2069° |
Argument of perihelion | 238.542° |
Physical characteristics | |
Dimensions | 93.00±1.7 km |
Synodic rotation period | 14.445 h (0.6019 d) |
Geometric albedo | 0.0368±0.001 |
Spectral type | C |
Absolute magnitude (H) | 9.36 |
It was discovered by Johann Palisa on 19 March 1892 in Vienna and is named after Tamar of Georgia. Name was given by Grand Duke George Alexandrovich of Russia.[3]
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