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JPL Small-Body Database Browser
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266739 (2009 SN31)
Classification: Main-belt Asteroid          SPK-ID: 2266739
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291992360472831 6.3092e-08  
a 2.352051767077043 2.2918e-08 au
q 2.048168475627027 1.5048e-07 au
i 5.895604320115077 7.5057e-06 deg
node 31.54553579458674 7.5308e-05 deg
peri 224.0594023370513 8.3152e-05 deg
M 343.0738558221873 3.5956e-05 deg
tp 2458662.447570137111
(2019-Jun-27.94757014)
0.00013158 TDB
period 1317.554962021006
3.61
1.9257e-05
5.272e-08
d
yr
n .2732333833328621 3.9935e-09 deg/d
Q 2.655935058527059 2.5879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6023 days (16.49 yr)  
   first obs. used      2002-12-05  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:50  

Additional Information
 Earth MOID = 1.03828 au 
 Jupiter MOID = 2.38938 au 
 T_jup = 3.539 
[ 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 MPO433731  

266739 (2009 SN31)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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