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217390 (2005 CW25)
Classification: Apollo [NEO]          SPK-ID: 2217390
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4780522932730417 4.3672e-08  
a 1.625935520937718 1.3688e-08 au
q .8486533164393443 6.642e-08 au
i 28.48475398056928 2.0081e-05 deg
node 148.3296327391126 5.8841e-06 deg
peri 108.9418637259457 1.1098e-05 deg
M 94.94652424266232 2.4328e-05 deg
tp 2458800.776128721855
(2019-Nov-13.27612872)
4.8684e-05 TDB
period 757.2746262556179
2.07
9.5626e-06
2.618e-08
d
yr
n .4753889639483075 6.003e-09 deg/d
Q 2.403217725436093 2.0231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      2303 days (6.31 yr)  
   first obs. used      2005-02-05  
   last obs. used      2011-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:25:19  

Additional Information
 Earth MOID = .0570133 au 
 Jupiter MOID = 3.12315 au 
 T_jup = 4.063 
[ 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 18.8   n/a MPO160718  

217390 (2005 CW25)          Discovered 2005-Feb-05 by NEAT at Palomar
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

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