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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280779522737353 4.422e-08  
a 2.31513039228136 9.9326e-09 au
q 2.018613232391274 1.0409e-07 au
i 6.20592427668376 5.1918e-06 deg
node 19.17443089753475 3.3461e-05 deg
peri 159.0044050718263 3.7533e-05 deg
M 85.04848994463005 1.618e-05 deg
tp 2458696.533503719575
(2019-Aug-01.03350372)
5.776e-05 TDB
period 1286.653516507992
3.52
8.2802e-06
2.267e-08
d
yr
n .2797956057175738 1.8006e-09 deg/d
Q 2.611647552171446 1.1205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1997-12-24  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:45:08  

Additional Information
 Earth MOID = 1.02313 au 
 Jupiter MOID = 2.34769 au 
 T_jup = 3.563 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456781.5 (2014-May-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282802389749647 4.4102e-08  
q 2.017240646474677 1.0386e-07 au
tp 2457410.272789935347
(2016-Jan-22.77278994)
5.8057e-05 TDB
node 19.21573903130476 3.3463e-05 deg
peri 158.870401928255 3.7535e-05 deg
i 6.206990569857233 5.1919e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1997-12-24  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:45:08  

Additional Information
 Jupiter MOID = 2.34769 au 
 T_jup = 3.563 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.944978882115627E-15 -4.564634758277643E-15 9.852321656547274E-13 5.869239087411732E-15 3.140876978452007E-13 1.427021715891967E-15
q -4.564634758277643E-15 1.078652200904455E-14 -2.343247155715077E-12 -1.452823096307565E-14 -7.551112928876829E-13 -3.216372248784187E-15
tp 9.852321656547274E-13 -2.343247155715077E-12 3.37067208525258E-9 4.817881468563457E-12 9.930930023056337E-10 5.438380946567928E-12
node 5.869239087411732E-15 -1.452823096307565E-14 4.817881468563457E-12 1.119759925433449E-9 -1.111130264908219E-9 1.664155944295887E-11
peri 3.140876978452007E-13 -7.551112928876829E-13 9.930930023056337E-10 -1.111130264908219E-9 1.408884971528844E-9 -1.49845185482127E-11
i 1.427021715891967E-15 -3.216372248784187E-15 5.438380946567928E-12 1.664155944295887E-11 -1.49845185482127E-11 2.695593097581396E-11

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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