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JPL Small-Body Database Browser
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392955 (2012 WJ25)
Classification: Main-belt Asteroid          SPK-ID: 2392955
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07944202026777543 8.0738e-08  
a 2.769128900362448 4.3219e-08 au
q 2.549143706135772 2.351e-07 au
i 5.343482705087649 8.3311e-06 deg
node 53.31957166443748 9.1056e-05 deg
peri 327.9826559466468 0.00010559 deg
M 258.5228512503779 5.5139e-05 deg
tp 2459474.937425505450
(2021-Sep-17.43742551)
0.00026228 TDB
period 1683.112654292015
4.61
3.9404e-05
1.079e-07
d
yr
n .2138894262852717 5.0074e-09 deg/d
Q 2.989114094589124 4.6652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5625 days (15.40 yr)  
   first obs. used      2003-11-29  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59204  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:55:31  

Additional Information
 Earth MOID = 1.55416 au 
 Jupiter MOID = 2.40519 au 
 T_jup = 3.327 
[ 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 16.9   n/a MPO434458  

392955 (2012 WJ25)          Discovered 2003-Nov-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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