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JPL Small-Body Database Browser
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212729 (2007 RJ168)
Classification: Main-belt Asteroid          SPK-ID: 2212729
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105822615870841 4.7186e-08  
a 2.552582774897433 2.5299e-08 au
q 2.282461788430936 1.2682e-07 au
i 5.522055580981118 7.5399e-06 deg
node 149.0048680882138 5.7199e-05 deg
peri 262.240908944374 6.8867e-05 deg
M 257.3312405379411 3.8261e-05 deg
tp 2459025.319058380275
(2020-Jun-24.81905838)
0.00015898 TDB
period 1489.594905190373
4.08
2.2145e-05
6.063e-08
d
yr
n .2416764442101736 3.5929e-09 deg/d
Q 2.822703761363929 2.7976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5329 days (14.59 yr)  
   first obs. used      2005-02-02  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:46:46  

Additional Information
 Earth MOID = 1.30034 au 
 Jupiter MOID = 2.5005 au 
 T_jup = 3.425 
[ 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 17.2   n/a MPO446190  

212729 (2007 RJ168)          Discovered 2007-Sep-10 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 RJ168 = 2006 KK98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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