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30704 Phegeus (3250 T-3)
Classification: Jupiter Trojan          SPK-ID: 2030704
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03938173786846171 8.3582e-08  
a 5.218574372990864 1.9158e-07 AU
q 5.013057844986666 4.581e-07 AU
i 14.9135596178844 1.5168e-05 deg
node 20.5574026241961 3.2681e-05 deg
peri 289.3158691439626 0.00020151 deg
M 117.6923034121215 0.00019738 deg
tp 2455376.953018904108
(2010-Jun-29.45301890)
0.0024121 JED
period 4354.379159357497
11.92
0.00023978
6.565e-07
d
yr
n .08267539110055799 4.5526e-09 deg/d
Q 5.424090900995063 1.9912e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      13305 days (36.43 yr)  
   first obs. used      1977-10-07  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56249  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:39:29  

Additional Information
 Earth MOID = 4.03437 AU 
 T_jup = 2.931 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2 mag n/a MPO279836  

30704 Phegeus           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Phegeus was the oldest son of Dares, a priest of the god Hephaistos. Phegeus was fatally wounded with the spear of Diomedes.
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
 3250 T-3 = 1999 RG246 = 2000 RN38 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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