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385994 (2007 CQ9)
Classification: Main-belt Asteroid          SPK-ID: 2385994
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0603806065328179 6.2101e-08  
a 2.35323059258794 1.9796e-08 au
q 2.211141102095898 1.5727e-07 au
i 6.273071492095339 6.4533e-06 deg
node 265.9412967866047 5.1475e-05 deg
peri 213.1885404212575 7.8979e-05 deg
M 313.6252737640223 5.8103e-05 deg
tp 2459370.353309583605
(2021-Jun-04.85330958)
0.000213 TDB
period 1318.545604753557
3.61
1.6638e-05
4.555e-08
d
yr
n .2730280990677497 3.4452e-09 deg/d
Q 2.495320083079982 2.0991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5150 days (14.10 yr)  
   first obs. used      2006-12-27  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:07:23  

Additional Information
 Earth MOID = 1.23024 au 
 Jupiter MOID = 2.57026 au 
 T_jup = 3.546 
[ 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 17.32   n/a MPCxxxxx  

385994 (2007 CQ9)          Discovered 2006-Dec-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-02-19

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