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305390 (2008 CE54)
Classification: Main-belt Asteroid          SPK-ID: 2305390
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07137786556126048 7.3027e-08  
a 3.051039066373797 3.7499e-08 au
q 2.833262410072015 2.2785e-07 au
i 11.06692254448632 9.3768e-06 deg
node 158.6360081014452 3.7179e-05 deg
peri 339.1817731181421 8.0602e-05 deg
M 111.5646686145797 6.7805e-05 deg
tp 2458397.254267022685
(2018-Oct-05.75426702)
0.0003669 TDB
period 1946.570240997004
5.33
3.5887e-05
9.825e-08
d
yr
n .1849406676512292 3.4096e-09 deg/d
Q 3.268815722675579 4.0176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6853 days (18.76 yr)  
   first obs. used      2000-08-26  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:40  

Additional Information
 Earth MOID = 1.84863 au 
 Jupiter MOID = 1.73969 au 
 T_jup = 3.205 
[ 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 16.0   n/a MPO476360  

305390 (2008 CE54)          Discovered 2008-Feb-07 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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