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442142 (2010 UJ98)
Classification: Main-belt Asteroid          SPK-ID: 2442142
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08343785548468224 1.3826e-07  
a 3.121924209862516 6.5131e-08 au
q 2.861437548805877 4.5434e-07 au
i 10.17426332606727 1.3537e-05 deg
node 344.3149685170093 4.7572e-05 deg
peri 43.41063959316005 7.5253e-05 deg
M 279.2485887310075 6.349e-05 deg
tp 2459452.438750555700
(2021-Aug-25.93875056)
0.00036259 TDB
period 2014.800083903002
5.52
6.3051e-05
1.726e-07
d
yr
n .1786777769547341 5.5915e-09 deg/d
Q 3.382410870919156 7.0566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1996-03-11  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:48  

Additional Information
 Earth MOID = 1.87414 au 
 Jupiter MOID = 2.0488 au 
 T_jup = 3.186 
[ 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 16.1   n/a MPO477086  

442142 (2010 UJ98)          Discovered 2007-Feb-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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