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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06931115813586895 3.8032e-08  
a 2.925715041511473 1.7871e-08 au
q 2.722930343608781 1.1768e-07 au
i 2.384410949913295 4.5359e-06 deg
node 168.0276318459398 9.335e-05 deg
peri 277.8908571224063 9.9139e-05 deg
M 223.6346681828203 3.4074e-05 deg
tp 2459292.885455596044
(2021-Mar-19.38545560)
0.00017522 TDB
period 1827.874876209362
5.00
1.6747e-05
4.585e-08
d
yr
n .1969500235960167 1.8045e-09 deg/d
Q 3.128499739414165 1.9109e-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 = 1.74043 au 
 Jupiter MOID = 2.01564 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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