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JPL Small-Body Database Browser
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437097 (2012 UR91)
Classification: Main-belt Asteroid          SPK-ID: 2437097
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 .147576149384562 9.54e-08  
a 3.166700158044709 1.0392e-07 au
q 2.699370742464987 3.3856e-07 au
i 7.873923461972131 2.0245e-05 deg
node 24.58103782298004 7.408e-05 deg
peri 86.87451181061942 0.0001004 deg
M 344.8251557655416 6.9767e-05 deg
tp 2458687.262205560045
(2019-Jul-22.76220556)
0.00040016 TDB
period 2058.300798283664
5.64
0.00010132
2.774e-07
d
yr
n .1749015500067773 8.6099e-09 deg/d
Q 3.634029573624431 1.1926e-07 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      3525 days (9.65 yr)  
   first obs. used      2009-02-20  
   last obs. used      2018-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62981  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:29:02  

Additional Information
 Earth MOID = 1.73074 au 
 Jupiter MOID = 1.55786 au 
 T_jup = 3.172 
[ 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 16.7   n/a MPO419192  

437097 (2012 UR91)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2012 UR91 = 2009 DW33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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