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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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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 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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