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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0719396823827875 7.0195e-08  
a 5.148035416922969 2.2226e-07 au
q 4.77768738413419 4.9644e-07 au
i 31.66872885748517 1.0186e-05 deg
node 70.53288235970574 1.1514e-05 deg
peri 262.4412851987555 8.9089e-05 deg
M 256.7277518571534 9.4776e-05 deg
tp 2460224.388478741651
(2023-Oct-06.88847874)
0.0011616 TDB
period 4266.391603459188
11.68
0.00027629
7.564e-07
d
yr
n .0843804398330693 5.4645e-09 deg/d
Q 5.518383449711749 2.3825e-07 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6788 days (18.58 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:19:38  

Additional Information
 Earth MOID = 3.91909 au 
 Jupiter MOID = .100945 au 
 T_jup = 2.699 
[ 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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