(3330) Gantrisch
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Asteroid (3330) Gantrisch |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Gantrisch family |
| Major semi-axis | 3.156 AU |
| eccentricity | 0,201 |
| Perihelion - aphelion | 2.52 AU - 3.791 AU |
| Inclination of the orbit plane | 10.3 ° |
| Length of the ascending node | 9.9 ° |
| Argument of the periapsis | 305.9 ° |
| Time of passage of the perihelion | 2nd September 2018 |
| Sidereal period | 5 a 222 d |
| Mean orbital velocity | 16.6 km / s |
| Physical Properties | |
| Medium diameter | 35.717 (± 0.477) km |
| Albedo | 0.033 (± 0.005) |
| Absolute brightness | 11.4 mag |
| Spectral class | X |
| history | |
| Explorer | Thomas Schildknecht |
| Date of discovery | September 12, 1985 |
| Another name | 1985 RU 1 , 1933 FY, 1978 EF 3 , 1978 GK 1 , 1980 TU 11 , 1980 XW 1 , 1982 BZ, A918 UA |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(3330) Gantrisch is an asteroid of the outer main belt that was discovered on September 12, 1985 by the Swiss astronomer Prof. Dr. Thomas Schildknecht was discovered by the Zimmerwald Observatory at the University of Bern .
The planetoid was after the 2176 m above sea level. M. high mountain Gantrisch , near which the Zimmerwald observatory is located.
Gantrisch family
Gantrisch is the namesake of the Gantrisch asteroid family . This group of asteroids was previously called the Lixiaohua family, until Gantrisch was assigned to the group, which with its 35 km diameter replaced the 20 km (3556) Lixiaohua as the largest member of this family. Sometimes the old family name is still used.
The asteroids of this family have relatively chaotic orbital parameters seen over a long period of time, as several large asteroids in their vicinity such as (1) Ceres , (2) Pallas , (4) Vesta , (10) Hygiea , (52) Europa , (511) Davida and (704) Interamnia influence their orbits. It is believed that the members of this family formerly formed an original body about 220 km in size, which disintegrated about 155 million years ago in a cosmic catastrophe, as simulations of the asteroid orbits suggest. Spectral analyzes show that most of the group's planetoids belong to the C-type (dark carbonaceous surface) or X-type (reddish spectra). Gantrisch belongs to the X-type.
See also
Web links
- (3330) Gantrisch in the Small-Body Database of the Jet Propulsion Laboratory .
- (3330) Gantrisch at the IAU Minor Planet Center (English)
Individual evidence
- ↑ a b c B. Novaković, K. Tsiganis, Z. Knežević: Dynamical portrait of the Lixiaohua asteroid family. In: Springer Science + Business Media . March 12, 2010, accessed July 13, 2017 .