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71945 (2000 WG87)
Classification: Main-belt Asteroid          SPK-ID: 2071945
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09514801578812049 4.3627e-08  
a 2.601836975349026 1.6431e-08 au
q 2.354277349740401 1.1395e-07 au
i 12.09499357215183 4.7339e-06 deg
node 283.0748619878423 3.0449e-05 deg
peri 180.27979661 5.1563e-05 deg
M 225.2615379033195 4.041e-05 deg
tp 2459574.230098463762
(2021-Dec-25.73009846)
0.00017293 TDB
period 1532.916676002664
4.20
1.4521e-05
3.976e-08
d
yr
n .2348464242288498 2.2247e-09 deg/d
Q 2.849396600957651 1.7995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      8266 days (22.63 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:33:44  

Additional Information
 Earth MOID = 1.37116 au 
 Jupiter MOID = 2.29625 au 
 T_jup = 3.376 
[ 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 15.1   n/a MPO253807  

71945 (2000 WG87)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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