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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888729702450049 3.6486e-08  
a 2.753036415763466 1.2204e-08 au
q 2.233062250725558 1.0115e-07 au
i 3.898570809823594 3.5766e-06 deg
node 99.27409848320301 6.5102e-05 deg
peri 239.3359421178854 6.6351e-05 deg
M 253.6552288805677 1.6394e-05 deg
tp 2459093.367295299773
(2020-Aug-31.86729530)
7.7579e-05 TDB
period 1668.462157943336
4.57
1.1095e-05
3.038e-08
d
yr
n .2157675547426029 1.4348e-09 deg/d
Q 3.273010580801374 1.4509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2381  
   data-arc span      22891 days (62.67 yr)  
   first obs. used      1956-09-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:34:43  

Additional Information
 Earth MOID = 1.22615 au 
 Jupiter MOID = 2.11808 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 11.6   n/a MPO298975  
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-January); 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

[ show close-approach data ]
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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