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305452 (2008 CD214)
Classification: Main-belt Asteroid          SPK-ID: 2305452
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453694196048129 5.6077e-08  
a 3.15888330630214 3.9836e-08 au
q 2.699678273465666 1.8556e-07 au
i 17.48013142871947 6.3154e-06 deg
node 15.25107099396969 1.8488e-05 deg
peri 155.256298883333 2.8201e-05 deg
M 53.07554113787695 1.9723e-05 deg
tp 2458698.163395706142
(2019-Aug-02.66339571)
0.00011134 TDB
period 2050.684274005739
5.61
3.8791e-05
1.062e-07
d
yr
n .1755511584905208 3.3207e-09 deg/d
Q 3.618088339138615 4.5626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      8359 days (22.89 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Earth MOID = 1.71279 au 
 Jupiter MOID = 1.36418 au 
 T_jup = 3.118 
[ 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 15.3   n/a MPO254610  

305452 (2008 CD214)          Discovered 2008-Feb-11 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 CD214 = 1997 ER30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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