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117167 (2004 RL12)
Classification: Main-belt Asteroid          SPK-ID: 2117167
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07159790451934681 5.3441e-08  
a 2.725491035583958 2.7882e-08 au
q 2.530351588649882 1.375e-07 au
i 8.452205400700768 4.6339e-06 deg
node 210.5245271335835 3.3389e-05 deg
peri 96.23847115029037 5.3052e-05 deg
M 206.2497236449838 4.6141e-05 deg
tp 2459702.406021351909
(2022-May-02.90602135)
0.0002183 TDB
period 1643.484315457252
4.50
2.5219e-05
6.905e-08
d
yr
n .2190468120773275 3.3613e-09 deg/d
Q 2.920630482518034 2.9878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      7143 days (19.56 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:09:34  

Additional Information
 Earth MOID = 1.53356 au 
 Jupiter MOID = 2.24497 au 
 T_jup = 3.337 
[ 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 15.8   n/a MPO453642  

117167 (2004 RL12)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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