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447999 (2008 CM202)
Classification: Main-belt Asteroid          SPK-ID: 2447999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581682898908511 7.3408e-08  
a 3.052096405973524 5.2505e-08 au
q 2.264141896261326 2.023e-07 au
i 10.9619968638846 9.6436e-06 deg
node 154.4464318659912 4.0251e-05 deg
peri 122.7852690932006 4.7075e-05 deg
M 20.92463068397008 2.0431e-05 deg
tp 2458887.298782231039
(2020-Feb-07.79878223)
0.00010967 TDB
period 1947.582206458994
5.33
5.0256e-05
1.376e-07
d
yr
n .1848445723143752 4.7698e-09 deg/d
Q 3.840050915685721 6.606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:07:07  

Additional Information
 Earth MOID = 1.27012 au 
 Jupiter MOID = 1.50629 au 
 T_jup = 3.158 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457743.5 (2016-Dec-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2571077647555258 7.3367e-08  
q 2.26722557938445 2.0188e-07 au
tp 2456941.183062438437
(2014-Oct-10.68306244)
0.00010837 TDB
node 154.4943260405553 4.0276e-05 deg
peri 122.8904402325761 4.716e-05 deg
i 10.95707097621741 9.6401e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:07:07  

Additional Information
 Jupiter MOID = 1.50629 au 
 T_jup = 3.158 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.382774670763021E-15 -1.464175650882047E-14 -5.636075567553125E-13 -4.197868197478458E-14 1.189415881763015E-13 -1.603177502538344E-14
q -1.464175650882047E-14 4.075629046198599E-14 8.892143471181841E-13 9.888647968243677E-14 -3.415381163826084E-13 4.31467906980532E-14
tp -5.636075567553125E-13 8.892143471181841E-13 1.174493943978619E-8 -8.810302095427544E-11 2.654112642897798E-9 3.613034537968765E-11
node -4.197868197478458E-14 9.888647968243677E-14 -8.810302095427544E-11 1.622192645155304E-9 -1.613803710393075E-9 5.942061438080947E-11
peri 1.189415881763015E-13 -3.415381163826084E-13 2.654112642897798E-9 -1.613803710393075E-9 2.224102798598955E-9 -5.084122288235961E-11
i -1.603177502538344E-14 4.31467906980532E-14 3.613034537968765E-11 5.942061438080947E-11 -5.084122288235961E-11 9.293237992740598E-11

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 16.7   n/a MPO295747  

447999 (2008 CM202)          Discovered 2008-Feb-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

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