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JPL Small-Body Database Browser
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39168 (2000 WW131)
Classification: Main-belt Asteroid          SPK-ID: 2039168
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 .06966165876227462 3.8052e-08  
a 2.925238624864546 1.7716e-08 au
q 2.721461649981007 1.1775e-07 au
i 2.38462950223966 4.5364e-06 deg
node 168.0237594117084 9.3342e-05 deg
peri 277.9688676344247 9.9067e-05 deg
M 302.3862953819884 3.4137e-05 deg
tp 2459292.958115090899
(2021-Mar-19.45811509)
0.00017426 TDB
period 1827.428424031746
5.00
1.6601e-05
4.545e-08
d
yr
n .196998139716878 1.7896e-09 deg/d
Q 3.129015599748086 1.8951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      10103 days (27.66 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:47:41  

Additional Information
 Earth MOID = 1.73902 au 
 Jupiter MOID = 2.01398 au 
 T_jup = 3.273 
[ 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 15.0   n/a MPO358987  

39168 (2000 WW131)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WW131 = 1992 EP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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