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JPL Small-Body Database Browser
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390036 (2012 UR54)
Classification: Main-belt Asteroid          SPK-ID: 2390036
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06984826802835431 6.4403e-08  
a 2.977040870927854 4.9237e-08 au
q 2.76909972224392 2.0705e-07 au
i 10.60275675149393 7.4694e-06 deg
node 11.17687398410749 2.8909e-05 deg
peri 219.3466022009224 5.1882e-05 deg
M 262.014261702887 4.4285e-05 deg
tp 2459111.164879700727
(2020-Sep-18.66487970)
0.00023539 TDB
period 1876.184839622507
5.14
4.6545e-05
1.274e-07
d
yr
n .1918787490428891 4.7602e-09 deg/d
Q 3.184982019611788 5.2677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      5429 days (14.86 yr)  
   first obs. used      2004-03-18  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58144  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:51:47  

Additional Information
 Earth MOID = 1.76949 au 
 Jupiter MOID = 1.81623 au 
 T_jup = 3.231 
[ 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 15.8   n/a MPO434434  

390036 (2012 UR54)          Discovered 2007-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 UR54 = 2010 OC94 = 2011 PA11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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