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85358 (1995 WJ12)
Classification: Main-belt Asteroid          SPK-ID: 2085358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09588708132496368 5.6894e-08  
a 2.431627134688448 1.4884e-08 au
q 2.198465505872588 1.3273e-07 au
i 7.787379537289165 4.0947e-06 deg
node 93.77509834615599 3.7787e-05 deg
peri 113.814945242767 4.3372e-05 deg
M 23.47816560217822 1.905e-05 deg
tp 2458910.175501435658
(2020-Mar-01.67550144)
7.3539e-05 TDB
period 1384.981264470942
3.79
1.2716e-05
3.481e-08
d
yr
n .2599313140438176 2.3865e-09 deg/d
Q 2.664788763504308 1.6311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:16:38  

Additional Information
 Earth MOID = 1.20606 au 
 Jupiter MOID = 2.32653 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO426528  

85358 (1995 WJ12)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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