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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08550835618381766 1.3835e-07  
a 3.119283353477119 6.3366e-08 au
q 2.852558561449744 4.5621e-07 au
i 10.16554885524866 1.3541e-05 deg
node 344.5671733524361 4.763e-05 deg
peri 43.22440248232925 7.3752e-05 deg
M 207.8725884746104 6.0496e-05 deg
tp 2459450.826361580852
(2021-Aug-24.32636158)
0.00035214 TDB
period 2012.244125497506
5.51
6.1316e-05
1.679e-07
d
yr
n .1789047339924493 5.4514e-09 deg/d
Q 3.386008145504494 6.8784e-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 = 1.86451 au 
 Jupiter MOID = 2.05667 au 
 T_jup = 3.187 
[ 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 16.2   n/a MPO437719  

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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