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JPL Small-Body Database Browser
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379257 (2009 UR2)
Classification: Main-belt Asteroid          SPK-ID: 2379257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08933616926992956 6.9637e-08  
a 2.444561799969478 3.3745e-08 au
q 2.226174013216601 1.7587e-07 au
i 7.171917724781721 7.8334e-06 deg
node 80.88876553714707 5.4337e-05 deg
peri 3.806757490951032 7.0261e-05 deg
M 131.1506261329589 4.8289e-05 deg
tp 2458091.909989314289
(2017-Dec-04.40998931)
0.00018146 TDB
period 1396.046738360511
3.82
2.8906e-05
7.914e-08
d
yr
n .2578710225868059 5.3395e-09 deg/d
Q 2.662949586722355 3.6759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6000 days (16.43 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:19  

Additional Information
 Earth MOID = 1.24226 au 
 Jupiter MOID = 2.51092 au 
 T_jup = 3.483 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO434346  

379257 (2009 UR2)          Discovered 2009-Oct-16 by Kugel, F. at Dauban
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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