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65669 (1988 CJ4)
Classification: Main-belt Asteroid          SPK-ID: 2065669
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141278725879261 5.2755e-08  
a 2.693382413931526 1.547e-08 au
q 2.312864778185672 1.3975e-07 au
i 13.42796644542023 4.9768e-06 deg
node 297.5510037060933 2.3498e-05 deg
peri 227.5285869110908 2.8646e-05 deg
M 104.2788773231766 1.7444e-05 deg
tp 2458532.830224640152
(2019-Feb-18.33022464)
7.7168e-05 TDB
period 1614.527538571093
4.42
1.391e-05
3.808e-08
d
yr
n .2229754472436011 1.9211e-09 deg/d
Q 3.073900049677381 1.7656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      11812 days (32.34 yr)  
   first obs. used      1988-02-13  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:09:42  

Additional Information
 Earth MOID = 1.34437 au 
 Jupiter MOID = 2.03665 au 
 T_jup = 3.317 
[ 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 14.4   n/a MPO474534  

65669 (1988 CJ4)          Discovered 1988-Feb-13 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1988 CJ4 = 2000 WA88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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