352 Gisela

From Wikipedia, the free encyclopedia
Jump to: navigation, search
352 Gisela
352Gisela (Lightcurve Inversion).png
A three-dimensional model of 352 Gisela based on its light curve.
Discovery
Discovered by Max Wolf
Discovery date 12 January 1893
Designations
1893 B; A895 XA;
1950 XT
Main belt (Flora family)
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 117.47 yr (42905 d)
Aphelion 2.52149 AU (377.210 Gm)
Perihelion 1.86634 AU (279.200 Gm)
2.19392 AU (328.206 Gm)
Eccentricity 0.14931
3.25 yr (1186.9 d)
20.11 km/s
74.6135°
0° 18m 11.88s / day
Inclination 3.38092°
247.353°
144.194°
Earth MOID 0.872016 AU (130.4517 Gm)
Jupiter MOID 2.90357 AU (434.368 Gm)
Jupiter Tisserand parameter 3.654
Physical characteristics
Dimensions 20.27±2.9 km
Mass ~1×1016 (estimate)
Mean density
~2.7 g/cm³ (estimate)[2]
Equatorial surface gravity
~0.007 m/s² (estimate)
Equatorial escape velocity
~0.01 km/s (estimate)
7.4796 ± 0.0002 h (0.3116500 ± 8.3×10−6 d)[3]
0.4261±0.153[1]
Temperature ~168 K
max: 256 K (-16 °C)
S[1]
10.01,[1] 10.22 [4]

352 Gisela is an asteroid belonging to the Flora family[3] in the Main Belt that has an unusually high albedo.

It was discovered by Max Wolf on January 12, 1893 in Heidelberg.

References[edit]

  1. ^ a b c d Yeomans, Donald K., "352 Gisela", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 11 May 2016. 
  2. ^ Krasinsky, G. A.; Pitjeva, E. V.; Vasilyev, M. V.; Yagudina, E. I. (2002), "Hidden Mass in the Asteroid Belt", Icarus, 158: 98, Bibcode:2002Icar..158...98K, doi:10.1006/icar.2002.6837. 
  3. ^ a b Kryszczynska, A.; et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region". Astronomy & Astrophysics. 546: 51. Bibcode:2012A&A...546A..72K. doi:10.1051/0004-6361/201219199. A72. 
  4. ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W. 

External links[edit]