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JPL Small-Body Database Browser
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266722 (2009 RL12)
Classification: Main-belt Asteroid          SPK-ID: 2266722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673370106840425 6.7275e-08  
a 3.085977072602727 5.2701e-08 au
q 2.569578894233894 2.133e-07 au
i 5.883338386136421 8.3664e-06 deg
node 181.6858502824979 5.5127e-05 deg
peri 190.9392037148382 5.8464e-05 deg
M 276.9533760103702 2.348e-05 deg
tp 2459057.279864145031
(2020-Jul-26.77986414)
0.00013563 TDB
period 1980.101576588411
5.42
5.0723e-05
1.389e-07
d
yr
n .1818088547862566 4.6573e-09 deg/d
Q 3.60237525097156 6.152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6245 days (17.10 yr)  
   first obs. used      2001-04-13  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56409  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:59:53  

Additional Information
 Earth MOID = 1.56929 au 
 Jupiter MOID = 1.85743 au 
 T_jup = 3.197 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO413195  

266722 (2009 RL12)          Discovered 2009-Sep-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 RL12 = 2006 CP30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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