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101466 (1998 WJ15)
Classification: Jupiter Trojan          SPK-ID: 2101466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07991466621611454 6.7265e-08  
a 5.226036080100311 1.4756e-07 au
q 4.808399151125723 4.6446e-07 au
i 11.93505151894027 4.2439e-06 deg
node 82.00946468825477 2.919e-05 deg
peri 323.6680215042018 4.604e-05 deg
M 293.6546049114136 3.7898e-05 deg
tp 2459804.702310239398
(2022-Aug-13.20231024)
0.00047458 TDB
period 4363.721571024137
11.95
0.00018482
5.06e-07
d
yr
n .08249838907928086 3.4942e-09 deg/d
Q 5.643673009074899 1.5936e-07 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      8002 days (21.91 yr)  
   first obs. used      1998-11-21  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:26  

Additional Information
 Earth MOID = 3.82742 au 
 Jupiter MOID = .228705 au 
 T_jup = 2.950 
[ 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 12.2   n/a MPO417511  

101466 (1998 WJ15)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 WJ15 = 2002 CG272 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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