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332721 (2009 SA225)
Classification: Main-belt Asteroid          SPK-ID: 2332721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05869201896966674 4.3957e-08  
a 2.56662778542185 2.2286e-08 au
q 2.415987218751797 1.2005e-07 au
i 4.016577488004939 5.144e-06 deg
node 72.21982468431217 8.1811e-05 deg
peri 239.0341946799754 9.7493e-05 deg
M 279.7380983135035 5.261e-05 deg
tp 2459335.349541650171
(2021-Apr-30.84954165)
0.00021936 TDB
period 1501.906040862505
4.11
1.9562e-05
5.356e-08
d
yr
n .239695420489328 3.1219e-09 deg/d
Q 2.717268352091903 2.3594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2003-03-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:30:48  

Additional Information
 Earth MOID = 1.40441 au 
 Jupiter MOID = 2.41909 au 
 T_jup = 3.426 
[ 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 17.1   n/a MPO423233  

332721 (2009 SA225)          Discovered 2009-Sep-25 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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