352 Gisela
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| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | January 12, 1893 |
| Alternate designations B |
1893 B; A895 XA; 1950 XT |
| Category | Main belt (Flora family) |
| Orbital elements C | |
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|
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| Eccentricity (e) | 0.15 |
| Semi-major axis (a) | 328.176 Gm (2.194 AU) |
| Perihelion (q) | 278.943 Gm (1.865 AU) |
| Aphelion (Q) | 377.408 Gm (2.523 AU) |
| Orbital period (P) | 1186.756 d (3.25 a) |
| Mean orbital speed | 20.11 km/s |
| Inclination (i) | 3.382° |
| Longitude of the ascending node (Ω) |
247.431° |
| Argument of perihelion (ω) |
144.326° |
| Mean anomaly (M) | 240.736° |
| Physical characteristics D | |
| Dimensions | 20.0 km |
| Mass | ~1×1016 (estimate) |
| Density | ~2.7 g/cm³ (estimate) [2] |
| Surface gravity | ~0.007 m/s² (estimate) |
| Escape velocity | ~0.01 km/s (estimate) |
| Rotation period | 0.312 d (7.49 h) [3] |
| Spectral class | S [3] |
| Absolute magnitude | 10.01 |
| Albedo (geometric) | 0.426 [1] |
| Mean surface temperature |
~168 K max: 256 K (-16°C) |
352 Gisela is an asteroid belonging to the Flora family in the Main Belt that has an unusually high albedo.
It was discovered by Max Wolf on January 12, 1893 in Heidelberg.
[edit] References
- ^ a b Supplemental IRAS Minor Planet Survey
- ^ G. A. Krasinsky et al (2002). "Hidden Mass in the Asteroid Belt". Icarus 158: 98.
- ^ a b PDS lightcurve data
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|---|---|---|
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