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JPL Small-Body Database Browser
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392861 (2012 UL81)
Classification: Main-belt Asteroid          SPK-ID: 2392861
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637322556862609 6.4784e-08  
a 3.120455068863707 4.9832e-08 au
q 2.609535921671025 2.0241e-07 au
i .4267286785361576 8.0096e-06 deg
node 221.1592890592077 0.001027 deg
peri 205.8306350173813 0.0010288 deg
M 48.78474612363235 5.3025e-05 deg
tp 2458327.660731959983
(2018-Jul-28.16073196)
0.00029344 TDB
period 2013.378039223312
5.51
4.8229e-05
1.32e-07
d
yr
n .1788039766932567 4.2831e-09 deg/d
Q 3.631374216056389 5.7991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4484 days (12.28 yr)  
   first obs. used      2006-10-16  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54379  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:52:24  

Additional Information
 Earth MOID = 1.62318 au 
 Jupiter MOID = 1.67446 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO419000  

392861 (2012 UL81)          Discovered 2007-Nov-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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