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JPL Small-Body Database Browser
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215542 (2002 WT25)
Classification: Jupiter Trojan          SPK-ID: 2215542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07143322255936239 1.0952e-07  
a 5.148450880812835 2.5438e-07 au
q 4.780680443207786 5.9056e-07 au
i 31.66811110404858 1.1082e-05 deg
node 70.53432047852142 1.2123e-05 deg
peri 262.593761878498 9.8069e-05 deg
M 222.7610484597023 0.00010808 deg
tp 2460227.127754242069
(2023-Oct-09.62775424)
0.0013534 TDB
period 4266.908082252422
11.68
0.00031624
8.658e-07
d
yr
n .08437022618259979 6.2531e-09 deg/d
Q 5.516221318417883 2.7256e-07 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      2001-09-25  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:34:23  

Additional Information
 Earth MOID = 3.92162 au 
 Jupiter MOID = .101121 au 
 T_jup = 2.700 
[ 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 13.1   n/a MPO437030  
diameter diameter 15.883 km 1.482 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.048   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

215542 (2002 WT25)          Discovered 2002-Nov-16 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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