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2010 Chebyshev, provisional designation 1969 TL4, is a rare-type carbonaceous asteroid from the outer regions of the asteroid belt, approximately 25 kilometers in diameter. The asteroid was discovered on 13 October 1969, by Soviet astronomer Bella Burnasheva at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula.[4] It was named for mathematician Pafnuty Chebyshev.[2]
Discovery[1] | |
---|---|
Discovered by | B. A. Burnasheva |
Discovery site | Crimean Astrophysical Obs. |
Discovery date | 13 October 1969 |
Designations | |
(2010) Chebyshev | |
Named after | Pafnuty Chebyshev (Russian mathematician)[2] |
1969 TL4 · 1931 VA 1948 YA · 1958 TF1 | |
main-belt · (outer) | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 85.41 yr (31,195 days) |
Aphelion | 3.6737 AU |
Perihelion | 2.5039 AU |
3.0888 AU | |
Eccentricity | 0.1894 |
5.43 yr (1,983 days) | |
271.09° | |
0° 10m 53.76s / day | |
Inclination | 2.3971° |
8.5512° | |
33.208° | |
Physical characteristics | |
Dimensions | 24.649±0.194[3] |
0.065±0.012[3] | |
Tholen = BU:[1] B–V = 0.705[1] U–B = 0.339[1] | |
11.62[1] | |
Chebyshev orbits the Sun in the outer main-belt at a distance of 2.5–3.7 AU once every 5 years and 5 months (1,983 days). Its orbit has an eccentricity of 0.19 and an inclination of 2° with respect to the ecliptic.[1] The asteroid was first identified as 1931 VA at Lowell Observatory in October 1931, extending the body's observation arc by 38 years prior to its official discovery observation at Nauchnyj.[4]
In the Tholen classification, Chebyshev is a rare BU: type, a variation of the carbonaceous B-type asteroids.[1]
According to the survey carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Chebyshev measures 24.649 kilometers in diameter and its surface has an albedo of 0.065.[3] Chebyshev has an absolute magnitude of 11.62.[1]
As of 2017, Chebyshev' rotation period and shape remain unknown.[1][5]
This minor planet was named after Russian mathematician and mechanician Pafnuty Chebyshev (1821–1894).[2] The official naming citation was published by the Minor Planet Center on 1 September 1978 (M.P.C. 4481).[6] The lunar crater Chebyshev was also named in his honor.
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