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JPL Small-Body Database Browser
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71946 (2000 WS87)
Classification: Main-belt Asteroid          SPK-ID: 2071946
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07276743344061795 3.8226e-08  
a 2.305682321690181 9.6306e-09 au
q 2.137903736811381 8.8935e-08 au
i 7.042788423217872 4.6598e-06 deg
node 63.34714132068867 3.6815e-05 deg
peri 24.09126140517751 5.7836e-05 deg
M 102.0683958646182 4.2851e-05 deg
tp 2458237.934547017834
(2018-Apr-29.43454702)
0.00015175 TDB
period 1278.78528870684
3.50
8.012e-06
2.194e-08
d
yr
n .2815171578678753 1.7638e-09 deg/d
Q 2.473460906568981 1.0331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      10263 days (28.10 yr)  
   first obs. used      1991-04-15  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5591  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:08:14  

Additional Information
 Earth MOID = 1.15584 au 
 Jupiter MOID = 2.66725 au 
 T_jup = 3.575 
[ 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 16.0   n/a MPO319908  

71946 (2000 WS87)          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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