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447982 (2008 CG153)
Classification: Main-belt Asteroid          SPK-ID: 2447982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039340318741647 1.0177e-07  
a 2.603705119609141 2.8251e-08 au
q 2.072721036755844 2.828e-07 au
i 14.19888623196766 5.3877e-06 deg
node 144.27247161 3.5693e-05 deg
peri 320.224017178979 4.3541e-05 deg
M 9.811676573692376 2.3711e-05 deg
tp 2458958.675876761054
(2020-Apr-19.17587676)
0.00010065 TDB
period 1534.567945950377
4.20
2.4976e-05
6.838e-08
d
yr
n .2345937180233798 3.8181e-09 deg/d
Q 3.134689202462437 3.4012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:32  

Additional Information
 Earth MOID = 1.10819 au 
 Jupiter MOID = 2.04022 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457681.5 (2016-Oct-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030655817899273 1.0164e-07  
q 2.075848579420183 2.8229e-07 au
tp 2457425.519269359252
(2016-Feb-07.01926936)
8.8583e-05 TDB
node 144.32878784579 3.5673e-05 deg
peri 320.4952452576732 4.3614e-05 deg
i 14.20000655263721 5.3868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:11:32  

Additional Information
 Jupiter MOID = 2.04022 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.033115825829206E-14 -2.865638907463195E-14 -4.401324063861857E-12 5.298610594548201E-14 -1.059741750827004E-12 -1.017590388797663E-13
q -2.865638907463195E-14 7.968750142387125E-14 1.226127344376945E-11 -1.476065145404048E-13 2.965189921077417E-12 2.846429399037547E-13
tp -4.401324063861857E-12 1.226127344376945E-11 7.846864767105256E-9 -4.487636930449915E-11 2.30667945072822E-9 7.313624567741544E-11
node 5.298610594548201E-14 -1.476065145404048E-13 -4.487636930449915E-11 1.272558758479377E-9 -1.246392361216687E-9 -5.044836506815854E-11
peri -1.059741750827004E-12 2.965189921077417E-12 2.30667945072822E-9 -1.246392361216687E-9 1.902147545147934E-9 6.813247768690165E-11
i -1.017590388797663E-13 2.846429399037547E-13 7.313624567741544E-11 -5.044836506815854E-11 6.813247768690165E-11 2.901791328730297E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO456123  

447982 (2008 CG153)          Discovered 2008-Feb-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2008 CG153 = 2012 BL87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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