Discovery [1] | |
---|---|
Discovered by | L. Kohoutek |
Discovery site | Bergedorf Obs. |
Discovery date | 14 January 1972 |
Designations | |
(1933) Tinchen | |
Named after | Christine Kohoutek (wife of the discoverer) [2] |
1972 AC · 1956 TB 1956 VE · 1962 JF 1962 JS | |
main-belt · Vesta [3] | |
Orbital characteristics [1] | |
Epoch 4 September 2017 ( JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 60.59 yr (22,131 days) |
Aphelion | 2.6437 AU |
Perihelion | 2.0617 AU |
2.3527 AU | |
Eccentricity | 0.1237 |
3.61 yr (1,318 days) | |
315.04 ° | |
0° 16m 23.16s / day | |
Inclination | 6.8822° |
164.93° | |
214.52° | |
Physical characteristics | |
Dimensions | 4.51±0.11 km
[4] 5.04 km (calculated) [3] 6.454±0.041 km [5] |
3.67±0.07
h
[6] 3.6703±0.0006 h [7] 3.671±0.005 h [8] 3.672±0.003 h [a] | |
0.2950±0.0588
[5] 0.4 (assumed) [3] 0.613±0.029 [4] | |
V [3] | |
12.769±0.003 (R) [7] · 12.88 [4] · 12.9 [5] · 13.07±0.32 [9] · 13.1 [1] [3] | |
1933 Tinchen, provisional designation 1972 AC, is a Vestian asteroid from the inner regions of the asteroid belt, about 5 kilometers in diameter. It was discovered on 14 January 1972, by Czech astronomer Luboš Kohoutek at the Hamburger Bergedorf Observatory in Germany, who named it after his wife, Christine Kohoutek. [2] [10]
Tinchen orbits the Sun in the inner main-belt at a distance of 2.1–2.6 AU once every 3 years and 7 months (1,318 days). Its orbit has an eccentricity of 0.12 and an inclination of 7 ° with respect to the ecliptic. [1]
The vestoid or V-type asteroid is also a member of the Vesta family. Asteroids with these spectral and orbital characteristics are thought to have all originated from the Rheasilvia crater, a large impact crater on the south-polar surface of 4 Vesta, which is the main-belt's second-most-massive asteroid after 1 Ceres.
Tinchen has a rotation period of 3.671 hours. [6] [7] [a]
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Tinchen measures between 4.51 and 6.454 kilometers in diameter and its surface has an albedo between 0.2950 and 0.613. [4] [5] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for Vestian asteroids of 0.40 and calculates a diameter of 5.04 kilometers with an absolute magnitude of 13.1. [3]
The discoverer named this minor planet after his wife, Christine Kohoutek. [2] The official naming citation was published by the Minor Planet Center on 20 February 1976 ( M.P.C. 3938). [11]
Discovery [1] | |
---|---|
Discovered by | L. Kohoutek |
Discovery site | Bergedorf Obs. |
Discovery date | 14 January 1972 |
Designations | |
(1933) Tinchen | |
Named after | Christine Kohoutek (wife of the discoverer) [2] |
1972 AC · 1956 TB 1956 VE · 1962 JF 1962 JS | |
main-belt · Vesta [3] | |
Orbital characteristics [1] | |
Epoch 4 September 2017 ( JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 60.59 yr (22,131 days) |
Aphelion | 2.6437 AU |
Perihelion | 2.0617 AU |
2.3527 AU | |
Eccentricity | 0.1237 |
3.61 yr (1,318 days) | |
315.04 ° | |
0° 16m 23.16s / day | |
Inclination | 6.8822° |
164.93° | |
214.52° | |
Physical characteristics | |
Dimensions | 4.51±0.11 km
[4] 5.04 km (calculated) [3] 6.454±0.041 km [5] |
3.67±0.07
h
[6] 3.6703±0.0006 h [7] 3.671±0.005 h [8] 3.672±0.003 h [a] | |
0.2950±0.0588
[5] 0.4 (assumed) [3] 0.613±0.029 [4] | |
V [3] | |
12.769±0.003 (R) [7] · 12.88 [4] · 12.9 [5] · 13.07±0.32 [9] · 13.1 [1] [3] | |
1933 Tinchen, provisional designation 1972 AC, is a Vestian asteroid from the inner regions of the asteroid belt, about 5 kilometers in diameter. It was discovered on 14 January 1972, by Czech astronomer Luboš Kohoutek at the Hamburger Bergedorf Observatory in Germany, who named it after his wife, Christine Kohoutek. [2] [10]
Tinchen orbits the Sun in the inner main-belt at a distance of 2.1–2.6 AU once every 3 years and 7 months (1,318 days). Its orbit has an eccentricity of 0.12 and an inclination of 7 ° with respect to the ecliptic. [1]
The vestoid or V-type asteroid is also a member of the Vesta family. Asteroids with these spectral and orbital characteristics are thought to have all originated from the Rheasilvia crater, a large impact crater on the south-polar surface of 4 Vesta, which is the main-belt's second-most-massive asteroid after 1 Ceres.
Tinchen has a rotation period of 3.671 hours. [6] [7] [a]
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Tinchen measures between 4.51 and 6.454 kilometers in diameter and its surface has an albedo between 0.2950 and 0.613. [4] [5] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for Vestian asteroids of 0.40 and calculates a diameter of 5.04 kilometers with an absolute magnitude of 13.1. [3]
The discoverer named this minor planet after his wife, Christine Kohoutek. [2] The official naming citation was published by the Minor Planet Center on 20 February 1976 ( M.P.C. 3938). [11]