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39161 (2000 WH117)
Classification: Main-belt Asteroid          SPK-ID: 2039161
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095368082472643 3.7166e-08  
a 2.396284309510189 8.8134e-09 au
q 1.894174543642425 8.8771e-08 au
i 4.972118695218718 4.4067e-06 deg
node 345.5129538776014 3.4123e-05 deg
peri 325.1695784171039 3.5078e-05 deg
M 209.1486524238 9.0679e-06 deg
tp 2459568.244108661545
(2021-Dec-19.74410866)
3.5783e-05 TDB
period 1354.895944929582
3.71
7.4748e-06
2.046e-08
d
yr
n .2657030610706495 1.4659e-09 deg/d
Q 2.898394075377953 1.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      14032 days (38.42 yr)  
   first obs. used      1981-11-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:40:44  

Additional Information
 Earth MOID = .88257 au 
 Jupiter MOID = 2.38775 au 
 T_jup = 3.494 
[ 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 14.9   n/a MPO412458  

39161 (2000 WH117)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WH117 = 1981 WJ5 = 1998 BL22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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