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JPL Small-Body Database Browser
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266786 (2009 SE253)
Classification: Main-belt Asteroid          SPK-ID: 2266786
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276126019874304 6.7594e-08  
a 2.755959340679775 3.1155e-08 au
q 2.404264198244066 1.8564e-07 au
i 1.827448973751649 7.0518e-06 deg
node 323.7664728912264 0.00019653 deg
peri 225.2726709717275 0.00019828 deg
M 233.5374300511156 2.4301e-05 deg
tp 2459187.539248395784
(2020-Dec-04.03924840)
0.00011433 TDB
period 1671.119996279552
4.58
2.8337e-05
7.758e-08
d
yr
n .2154243865201035 3.6529e-09 deg/d
Q 3.107654483115485 3.5131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1998-05-23  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:12:17  

Additional Information
 Earth MOID = 1.40574 au 
 Jupiter MOID = 1.85736 au 
 T_jup = 3.331 
[ 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 16.9   n/a MPO418415  

266786 (2009 SE253)          Discovered 2009-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SE253 = 2007 EF76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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