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452989 (2007 GE18)
Classification: Main-belt Asteroid          SPK-ID: 2452989
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238727206023203 6.2807e-08  
a 3.116795396296363 4.8445e-08 au
q 2.730709470996346 1.7779e-07 au
i 6.755951138925171 6.216e-06 deg
node 240.5675407775867 7.7557e-05 deg
peri 352.0089026756382 8.6028e-05 deg
M 123.2987838123889 3.843e-05 deg
tp 2458312.137569207279
(2018-Jul-12.63756921)
0.00020965 TDB
period 2009.837140506166
5.50
4.6859e-05
1.283e-07
d
yr
n .1791189906607737 4.1762e-09 deg/d
Q 3.502881321596381 5.4446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4517 days (12.37 yr)  
   first obs. used      2007-04-11  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:57:32  

Additional Information
 Earth MOID = 1.71989 au 
 Jupiter MOID = 1.50607 au 
 T_jup = 3.195 
[ 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 16.4   n/a MPO446796  

452989 (2007 GE18)          Discovered 2007-Apr-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

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