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249172 (2008 CE40)
Classification: Main-belt Asteroid          SPK-ID: 2249172
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 .04271793207253352 6.865e-08  
a 3.133433878575131 4.5122e-08 au
q 2.999580062996384 2.2792e-07 au
i 21.63179340557906 1.0871e-05 deg
node 319.5057811939186 1.877e-05 deg
peri 310.6311353685339 0.00014183 deg
M 315.5421902247855 0.00014334 deg
tp 2459250.692790732109
(2021-Feb-05.19279073)
0.00080616 TDB
period 2025.952360653034
5.55
4.3761e-05
1.198e-07
d
yr
n .1776942079151159 3.8383e-09 deg/d
Q 3.267287694153879 4.705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-12-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:20:20  

Additional Information
 Earth MOID = 2.01214 au 
 Jupiter MOID = 1.98305 au 
 T_jup = 3.102 
[ 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 14.9   n/a MPO310648  

249172 (2008 CE40)          Discovered 2008-Feb-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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