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266762 (2009 SF122)
Classification: Main-belt Asteroid          SPK-ID: 2266762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317735457880684 6.7283e-08  
a 2.333847695255354 2.5083e-08 au
q 2.026308309122245 1.6433e-07 au
i 2.76747882994272 8.1937e-06 deg
node 229.304336228948 0.00019624 deg
peri 12.21854730753927 0.00019998 deg
M 116.5244563752439 4.258e-05 deg
tp 2458578.976513168889
(2019-Apr-05.47651317)
0.0001513 TDB
period 1302.288463552444
3.57
2.0994e-05
5.748e-08
d
yr
n .2764364501993476 4.4565e-09 deg/d
Q 2.641387081388463 2.8388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7078 days (19.38 yr)  
   first obs. used      1998-08-28  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:29:08  

Additional Information
 Earth MOID = 1.01372 au 
 Jupiter MOID = 2.36556 au 
 T_jup = 3.556 
[ 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 17.4   n/a MPO338792  

266762 (2009 SF122)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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