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266289 (2007 BQ31)
Classification: Main-belt Asteroid          SPK-ID: 2266289
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924459407748685 6.4018e-08  
a 2.441239632338203 1.8455e-08 au
q 1.971432974635983 1.5756e-07 au
i 2.169395716266926 4.6753e-06 deg
node 121.4151275481108 0.00016463 deg
peri 274.8525447106923 0.00016538 deg
M 242.2491780223609 1.352e-05 deg
tp 2459456.196288518665
(2021-Aug-29.69628852)
5.2853e-05 TDB
period 1393.201857205486
3.81
1.5798e-05
4.325e-08
d
yr
n .2583975883595903 2.9301e-09 deg/d
Q 2.911046290040422 2.2007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      5476 days (14.99 yr)  
   first obs. used      2004-04-13  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:45:54  

Additional Information
 Earth MOID = .979885 au 
 Jupiter MOID = 2.51395 au 
 T_jup = 3.475 
[ 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 MPO437227  

266289 (2007 BQ31)          Discovered 2007-Jan-21 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2007 BQ31 = 2004 GA51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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