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5209 (1989 CW1)
Classification: Jupiter Trojan          SPK-ID: 2005209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0500438884051103 4.0874e-08  
a 5.196732408683636 8.015e-08 au
q 4.936667711952252 2.5651e-07 au
i 9.045393324550053 5.5871e-06 deg
node 322.6955676932148 2.853e-05 deg
peri 104.6478699138548 6.6952e-05 deg
M 315.7505738650784 6.1804e-05 deg
tp 2459532.362169532161
(2021-Nov-13.86216953)
0.00074532 TDB
period 4327.070377088341
11.85
0.00010011
2.741e-07
d
yr
n .08319716774337323 1.9247e-09 deg/d
Q 5.45679710541502 8.4161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1805  
   data-arc span      23666 days (64.79 yr)  
   first obs. used      1955-04-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:32:29  

Additional Information
 Earth MOID = 3.96508 au 
 Jupiter MOID = .216687 au 
 T_jup = 2.973 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.3   n/a MPO502203  
diameter diameter 48.197 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.069   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5209 (1989 CW1)          Discovered 1989-Feb-13 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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