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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08613230929266447 5.2922e-08  
a 5.174429023616863 1.2568e-07 au
q 4.728743502541755 3.4311e-07 au
i 5.763667284374366 7.1746e-06 deg
node 143.5408024855645 5.5923e-05 deg
peri 277.9525026802938 7.1681e-05 deg
M 287.1521851586806 4.685e-05 deg
tp 2459470.473665510635
(2021-Sep-12.97366551)
0.00057144 TDB
period 4299.243845076689
11.77
0.00015663
4.288e-07
d
yr
n .08373565514602217 3.0508e-09 deg/d
Q 5.620114544691971 1.3651e-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 = 3.74755 au 
 Jupiter MOID = .0894143 au 
 T_jup = 2.983 
[ 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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