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2344 Xizang (1979 SC1)
Classification: Main-belt Asteroid          SPK-ID: 2002344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882446029359054 3.4394e-08  
a 2.75433684944799 1.1669e-08 au
q 2.235847802871921 9.6034e-08 au
i 3.898811628076368 3.3678e-06 deg
node 99.26849404218954 6.218e-05 deg
peri 239.0658634032986 6.3319e-05 deg
M 340.1154340704769 1.5175e-05 deg
tp 2459092.722654741323
(2020-Aug-31.22265474)
7.0658e-05 TDB
period 1669.644478262578
4.57
1.061e-05
2.905e-08
d
yr
n .2156147639134612 1.3702e-09 deg/d
Q 3.272825896024059 1.3865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2627  
   data-arc span      23284 days (63.75 yr)  
   first obs. used      1956-09-07  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:44:05  

Additional Information
 Earth MOID = 1.22976 au 
 Jupiter MOID = 2.12035 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7   n/a MPO473796  
diameter diameter 16.490 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
geometric albedo albedo 0.094   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2344 Xizang           Discovered 1979 Sept. 27 at the Purple Mountain Observatory.
Named for the autonomous region, also known as Tibet, on the south-western border of China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6060Last Updated: 2006-03-21

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Alternate Designations
 1979 SC1 = 1929 UR = 1951 MD = 1956 RH = 1972 BE = 1974 MO = 1975 VS8 = 1977 DJ4 = 1978 BE = 1981 AU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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