352 Gisela

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352 Gisela
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
Epoch 30 January 2005 (JD 2453400.5)
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)
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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

  1. ^ a b Supplemental IRAS Minor Planet Survey
  2. ^ G. A. Krasinsky et al (2002). "Hidden Mass in the Asteroid Belt". Icarus 158: 98. 
  3. ^ a b PDS lightcurve data


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