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312227 (2007 XQ40)
Classification: Main-belt Asteroid          SPK-ID: 2312227
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901235197544789 5.2849e-08  
a 2.520668903656745 2.4448e-08 au
q 2.041430459557861 1.3144e-07 au
i 5.066689078881499 6.0358e-06 deg
node 36.69905592472978 7.3786e-05 deg
peri 319.5229744420525 7.7149e-05 deg
M 116.7724899928632 2.6331e-05 deg
tp 2458526.356094485794
(2019-Feb-11.85609449)		 0.00010694 TDB
period 1461.746735001937
4.00		 2.1266e-05
5.822e-08		 d
yr
n .2462806937615789 3.5831e-09 deg/d
Q 2.999907347755628 2.9096e-08 au
   Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6447 days (17.65 yr)  
   first obs. used      2002-05-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:37:02  

Additional Information
 Earth MOID = 1.04062 au 
 Jupiter MOID = 2.4507 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 16.1   n/a MPO455301  

312227 (2007 XQ40)          Discovered 2007-Dec-13 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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