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39463 Phyleus (1973 SZ)
Classification: Jupiter Trojan          SPK-ID: 2039463
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08663449118630223 5.2986e-08  
a 5.177644884328624 1.2547e-07 au
q 4.729082254231453 3.4368e-07 au
i 5.762695817478619 7.173e-06 deg
node 143.5344800402647 5.5927e-05 deg
peri 277.7116980297371 7.149e-05 deg
M 320.9074717259448 4.6978e-05 deg
tp 2459467.791709191865
(2021-Sep-10.29170919)
0.00056811 TDB
period 4303.252379322786
11.78
0.00015642
4.283e-07
d
yr
n .08365765431974366 3.041e-09 deg/d
Q 5.626207514425794 1.3634e-07 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      16840 days (46.11 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61393  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:48:23  

Additional Information
 Earth MOID = 3.74817 au 
 Jupiter MOID = .0910559 au 
 T_jup = 2.982 
[ 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 12.4   n/a MPO452717  
diameter diameter 12.917 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.127   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

39463 Phyleus           Discovered 1973 Sept. 19 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Phyleus was the father of the Greek hero Meges.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1973 SZ = 1998 YP28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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