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71974 (2000 WB131)
Classification: Main-belt Asteroid          SPK-ID: 2071974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08837344223490605 3.6749e-08  
a 2.21274846642099 8.3509e-09 au
q 2.017200267643358 8.1238e-08 au
i 6.045319376441777 3.6381e-06 deg
node 233.6366442258065 4.2137e-05 deg
peri 343.6627830993127 4.8741e-05 deg
M 183.6252937552996 2.4818e-05 deg
tp 2459589.520353716546
(2022-Jan-10.02035372)
8.3776e-05 TDB
period 1202.254744190838
3.29
6.806e-06
1.863e-08
d
yr
n .2994373711058161 1.6951e-09 deg/d
Q 2.408296665198622 9.0889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      7442 days (20.38 yr)  
   first obs. used      1999-06-14  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:33:24  

Additional Information
 Earth MOID = 1.01 au 
 Jupiter MOID = 2.56774 au 
 T_jup = 3.643 
[ 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 15.6   n/a MPO337803  

71974 (2000 WB131)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WB131 = 2002 HJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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