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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05916872747213905 3.7137e-08  
a 2.315006058278143 1.1031e-08 au
q 2.178030095719533 8.6488e-08 au
i 6.725943779211824 6.3815e-06 deg
node 10.00756788353937 3.3163e-05 deg
peri 104.9211728404194 6.9205e-05 deg
M 17.02445004112945 5.7975e-05 deg
tp 2458539.658877890264
(2019-Feb-25.15887789)
0.00020724 TDB
period 1286.549868371078
3.52
9.1956e-06
2.518e-08
d
yr
n .2798181468517827 2e-09 deg/d
Q 2.451982020836753 1.1684e-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 = 1.20569 au 
 Jupiter MOID = 2.5854 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2166-Oct-08 23:35 < 00:01 Eunom 0.0407056875339326 0.0406989705622588 0.0407124353269038 5.44291901420322 5.44291895084443 2512456.482425526 0.622718530410426 1809.08313352421 39.6221394099383 -79.3870024741447 150974.132038122 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 08:33:07 2019-Jul-13 08:33

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