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71938 (2000 WO73)
Classification: Main-belt Asteroid          SPK-ID: 2071938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280779833834827 3.8114e-08  
a 2.315130388305908 9.1999e-09 au
q 2.018613156901868 8.8351e-08 au
i 6.205920058293663 4.6185e-06 deg
node 19.17441042024383 3.3348e-05 deg
peri 159.0044240895654 3.6861e-05 deg
M 85.04849675838092 1.5629e-05 deg
tp 2458696.533480149913
(2019-Aug-01.03348015)
5.5612e-05 TDB
period 1286.653513193905
3.52
7.6694e-06
2.1e-08
d
yr
n .279795606438255 1.6678e-09 deg/d
Q 2.611647619709948 1.0378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1997-12-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:41:26  

Additional Information
 Earth MOID = 1.02313 au 
 Jupiter MOID = 2.34769 au 
 T_jup = 3.563 
[ 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 MPO366075  

71938 (2000 WO73)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WO73 = 1997 YM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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