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JPL Small-Body Database Browser
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266708 (2009 QE31)
Classification: Main-belt Asteroid          SPK-ID: 2266708
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614397195880144 3.9813e-08  
a 3.196539335656349 5.0321e-08 au
q 2.68049092165593 1.2486e-07 au
i 15.86555214906531 4.9536e-06 deg
node 128.5018925816645 1.7312e-05 deg
peri 255.1751614260855 2.5282e-05 deg
M 237.4096898958659 2.0052e-05 deg
tp 2459311.340476605811
(2021-Apr-06.84047661)
0.00012756 TDB
period 2087.461654683115
5.72
4.9293e-05
1.35e-07
d
yr
n .1724582577085228 4.0724e-09 deg/d
Q 3.712587749656768 5.8445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      5874 days (16.08 yr)  
   first obs. used      2003-07-25  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:49  

Additional Information
 Earth MOID = 1.73525 au 
 Jupiter MOID = 1.96278 au 
 T_jup = 3.116 
[ 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 15.0   n/a MPO437228  

266708 (2009 QE31)          Discovered 2009-Aug-24 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 QE31 = 2003 QX110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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