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146922 (2002 CE255)
Classification: Main-belt Asteroid          SPK-ID: 2146922
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05151220928367583 4.5463e-08  
a 3.039609359609766 3.188e-08 au
q 2.883032366136927 1.5007e-07 au
i 7.626479260672198 8.5705e-06 deg
node 305.8507247171057 3.9259e-05 deg
peri 102.1897594508325 0.00010126 deg
M 252.9717662808914 9.5486e-05 deg
tp 2459575.967688980116
(2021-Dec-27.46768898)
0.00051719 TDB
period 1935.642221066145
5.30
3.0452e-05
8.337e-08
d
yr
n .1859847838004449 2.926e-09 deg/d
Q 3.196186353082603 3.3523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      6772 days (18.54 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:32:50  

Additional Information
 Earth MOID = 1.90576 au 
 Jupiter MOID = 2.027 au 
 T_jup = 3.225 
[ 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 15.2   n/a MPO436738  

146922 (2002 CE255)          Discovered 2002-Feb-06 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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