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JPL Small-Body Database Browser
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437122 (2012 UN137)
Classification: Main-belt Asteroid          SPK-ID: 2437122
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760657610111472 1.7058e-07  
a 3.022391154699769 4.9823e-08 au
q 2.490251555974194 5.2465e-07 au
i 4.151020012617016 1.7217e-05 deg
node 222.5265192355641 0.00013468 deg
peri 175.1664027592993 0.00013828 deg
M 87.80870046141408 3.2034e-05 deg
tp 2458132.377538207617
(2018-Jan-13.87753821)
0.00016418 TDB
period 1919.218543945
5.25
4.7457e-05
1.299e-07
d
yr
n .1875763451409818 4.6382e-09 deg/d
Q 3.554530753425344 5.8596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      8148 days (22.31 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:52:56  

Additional Information
 Earth MOID = 1.49716 au 
 Jupiter MOID = 1.86646 au 
 T_jup = 3.218 
[ 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 16.9   n/a MPO336222  

437122 (2012 UN137)          Discovered 1996-Oct-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2012 UN137 = 1996 TN21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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