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305449 (2008 CL209)
Classification: Main-belt Asteroid          SPK-ID: 2305449
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 .05462130854762227 5.3151e-08  
a 2.96690900964491 3.8206e-08 au
q 2.804852557196375 1.5779e-07 au
i 4.145461079302128 6.4774e-06 deg
node 269.666995084687 7.875e-05 deg
peri 271.7522440434501 0.0001091 deg
M 115.0550027151123 7.0529e-05 deg
tp 2458403.934994290060
(2018-Oct-12.43499429)
0.00036817 TDB
period 1866.615070944408
5.11
3.6055e-05
9.871e-08
d
yr
n .1928624736849784 3.7253e-09 deg/d
Q 3.128965462093445 4.0293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6409 days (17.55 yr)  
   first obs. used      2001-11-21  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Earth MOID = 1.81117 au 
 Jupiter MOID = 1.86498 au 
 T_jup = 3.258 
[ 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 15.8   n/a MPO437356  

305449 (2008 CL209)          Discovered 2006-Oct-27 by Spacewatch at Kitt Peak
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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