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266683 (2009 OB12)
Classification: Main-belt Asteroid          SPK-ID: 2266683
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144668218082525 5.9767e-08  
a 2.457422133165938 2.8949e-08 au
q 2.101911252084265 1.4248e-07 au
i 8.856395771388813 6.7145e-06 deg
node 200.5799860098765 3.2679e-05 deg
peri 194.1610298981815 3.8141e-05 deg
M 234.5981647533171 2.0166e-05 deg
tp 2459490.639232916506
(2021-Oct-03.13923292)
8.1683e-05 TDB
period 1407.077683535014
3.85
2.4863e-05
6.807e-08
d
yr
n .2558494134421696 4.5209e-09 deg/d
Q 2.812933014247612 3.3137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      5470 days (14.98 yr)  
   first obs. used      2004-04-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:59  

Additional Information
 Earth MOID = 1.10909 au 
 Jupiter MOID = 2.61864 au 
 T_jup = 3.461 
[ 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 16.5   n/a MPO437228  

266683 (2009 OB12)          Discovered 2009-Jul-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 OB12 = 2008 FK66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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