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JPL Small-Body Database Browser
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442683 (2012 UL38)
Classification: Main-belt Asteroid          SPK-ID: 2442683
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2483339351206247 1.1873e-07  
a 2.219589333091736 6.6728e-08 au
q 1.668389979653303 3.0606e-07 au
i 4.955163907153826 5.4157e-06 deg
node 256.3418012086216 6.4324e-05 deg
peri 55.26348363818821 6.6541e-05 deg
M 45.13437466425595 2.0948e-05 deg
tp 2458449.069868557443
(2018-Nov-26.56986856)
6.4478e-05 TDB
period 1207.83433302984
3.31
5.4467e-05
1.491e-07
d
yr
n .2980541206317125 1.3441e-08 deg/d
Q 2.77078868653017 8.3299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      3083 days (8.44 yr)  
   first obs. used      2009-12-10  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54437  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:27  

Additional Information
 Earth MOID = .659447 au 
 Jupiter MOID = 2.51819 au 
 T_jup = 3.605 
[ 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 17.7   n/a MPO450446  

442683 (2012 UL38)          Discovered 2012-Oct-17 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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