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JPL Small-Body Database Browser
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312158 (2007 UR31)
Classification: Main-belt Asteroid          SPK-ID: 2312158
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553681772869311 5.139e-08  
a 2.344328720493196 1.7989e-08 au
q 1.980094640228764 1.211e-07 au
i 3.374570146023154 5.8667e-06 deg
node 57.34424568438748 0.00011687 deg
peri 15.94960587137082 0.0001206 deg
M 40.0065190003025 2.6136e-05 deg
tp 2458454.801710546936
(2018-Dec-02.30171055)
9.536e-05 TDB
period 1311.07093328231
3.59
1.509e-05
4.131e-08
d
yr
n .2745846855888476 3.1604e-09 deg/d
Q 2.708562800757627 2.0783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      2000-12-29  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:19:14  

Additional Information
 Earth MOID = .994937 au 
 Jupiter MOID = 2.54993 au 
 T_jup = 3.543 
[ 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 17.8   n/a MPO264790  

312158 (2007 UR31)          Discovered 2007-Oct-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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