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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09623599820394893 5.6765e-08  
a 2.43276624030656 1.4885e-08 au
q 2.198646552773791 1.324e-07 au
i 7.785998579758895 4.0923e-06 deg
node 93.77455962392688 3.6969e-05 deg
peri 114.0030817439912 4.2618e-05 deg
M 75.24588196893758 1.8767e-05 deg
tp 2458910.812848235609
(2020-Mar-02.31284824)
7.3059e-05 TDB
period 1385.954578593841
3.79
1.272e-05
3.483e-08
d
yr
n .2597487721172277 2.384e-09 deg/d
Q 2.66688592783933 1.6318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8991 days (24.62 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:38  

Additional Information
 Earth MOID = 1.20515 au 
 Jupiter MOID = 2.32341 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 16.13   n/a E2021B10  

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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