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10199 Chariklo
From Wikipedia, the free encyclopedia
| Discovery A | |
|---|---|
| Discoverer | James V. Scotti, Spacewatch |
| Discovery date | February 15, 1997 |
| Alternate designations B |
1997 CU26 |
| Category | Centaur |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.17534 |
| Semi-major axis (a) | 15.87AU |
| Perihelion (q) | 13.08 AU |
| Aphelion (Q) | 18.66 AU |
| Orbital period (P) | 23087.2 d (63.17 years) |
| Mean orbital speed | ? |
| Inclination (i) | 23.375 ° |
| Longitude of the ascending node (Ω) |
300.451 ° |
| Argument of perihelion (ω) |
242.361 ° |
| Mean anomaly (M) | 10.6 ° |
| Physical characteristics D | |
| Dimensions | 225±25 km] [1] |
| Mass | ? |
| Density | ? |
| Surface gravity | ? |
| Escape velocity | ? |
| Rotation period | ? |
| Spectral class | B-V=0.84; V-R=0.50 |
| Absolute magnitude | 6.41 |
| Albedo (geometric) | 0.10±0.02 |
| Mean surface temperature |
? |
10199 Chariklo (provisional designation: 1997 CU26) is known as a centaur because it orbits between Saturn and Uranus. It is the largest known member of the centaur group of minor planets. Chariklo was discovered by James V. Scotti of the Spacewatch program on February 15, 1997. Chariklo is named after the nymph Chariclo, the wife of Chiron and the daughter of Apollo.
A photometric study in 2001 was unable to find a definite period of rotation.[2] Infrared observations of Chariklo indicate water ice[3] on the surface.
- ^ Stansberry (2005). TNO/Centaur diameters and albedos. Retrieved on November 8, 2006.
- ^ Peixinho; Doressoundiram (2000-11-09). Photometric study of Centaurs 10199 Chariklo (1997CU26) and 1999UG5. Retrieved on November 9, 2006.
- ^ Jewitt; Brown (2001-04-17). Infrared Observations of Centaur 10119 Chariklo with possible surface variation. Retrieved on November 9, 2006.
- 37th DPS: Albedos, Diameters (and a Density) of Kuiper Belt and Centaur Objects
- AstDys orbital elements
- Orbital simulation from JPL (Java)
- Chariklo's orbit between Saturn and Uranus.
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For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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