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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060262823669136 4.7191e-08  
a 2.552248460014308 2.5033e-08 au
q 2.281643044122311 1.2693e-07 au
i 5.522652265534244 7.5409e-06 deg
node 149.0011301730746 5.7191e-05 deg
peri 262.3755724948237 6.8827e-05 deg
M 353.9106793848529 3.8354e-05 deg
tp 2459025.691219548016
(2020-Jun-25.19121955)
0.00015872 TDB
period 1489.302273676837
4.08
2.1911e-05
5.999e-08
d
yr
n .2417239309728713 3.5563e-09 deg/d
Q 2.822853875906306 2.7687e-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 = 1.30004 au 
 Jupiter MOID = 2.49922 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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