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312031 (2007 RJ141)
Classification: Main-belt Asteroid          SPK-ID: 2312031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710859033114931 4.1094e-08  
a 2.276780306950967 1.3314e-08 au
q 1.887255291494442 9.975e-08 au
i 2.053702069653451 5.7628e-06 deg
node 209.7565688537112 0.00010505 deg
peri 102.5370812422534 0.00010639 deg
M 289.296851684185 1.7908e-05 deg
tp 2459246.942932727493
(2021-Feb-01.44293273)
6.2999e-05 TDB
period 1254.816198362307
3.44
1.1007e-05
3.014e-08
d
yr
n .2868946069311546 2.5166e-09 deg/d
Q 2.666305322407492 1.5592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:25:34  

Additional Information
 Earth MOID = .874425 au 
 Jupiter MOID = 2.59643 au 
 T_jup = 3.588 
[ 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 17.1   n/a MPO418614  

312031 (2007 RJ141)          Discovered 2007-Sep-13 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2007 RJ141 = 2002 CU313 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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