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71817 (2000 UR12)
Classification: Main-belt Asteroid          SPK-ID: 2071817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05888932394998009 3.7173e-08  
a 2.315243782846347 1.0859e-08 au
q 2.17890064169513 8.6421e-08 au
i 6.725563385015588 6.3811e-06 deg
node 10.00034560752607 3.3165e-05 deg
peri 105.0590107332106 6.9483e-05 deg
M 128.8440793428594 5.8195e-05 deg
tp 2458539.972591339146
(2019-Feb-25.47259134)
0.00020835 TDB
period 1286.748044329873
3.52
9.0527e-06
2.478e-08
d
yr
n .2797750512125198 1.9683e-09 deg/d
Q 2.451586923997563 1.1498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      9323 days (25.52 yr)  
   first obs. used      1993-10-21  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:33:04  

Additional Information
 Earth MOID = 1.20619 au 
 Jupiter MOID = 2.58371 au 
 T_jup = 3.570 
[ 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 15.5   n/a MPO432271  

71817 (2000 UR12)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UR12 = 2002 ER40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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