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17351 Pheidippos (1973 SV)
Classification: Jupiter Trojan          SPK-ID: 2017351
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 .09762803955685684 6.0692e-08  
a 5.16192806916639 1.1096e-07 au
q 4.657979151440165 3.8138e-07 au
i 15.28762551286764 6.7308e-06 deg
node 2.862814356484574 2.0131e-05 deg
peri 46.17529830856222 4.0132e-05 deg
M 302.1257486110251 3.7902e-05 deg
tp 2459689.151083495675
(2022-Apr-19.65108350)
0.00046077 TDB
period 4283.673379931975
11.73
0.00013812
3.782e-07
d
yr
n .08404002081169804 2.7097e-09 deg/d
Q 5.665876986892616 1.2179e-07 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      24674 days (67.55 yr)  
   first obs. used      1953-01-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:12:36  

Additional Information
 Earth MOID = 3.68714 au 
 Jupiter MOID = .00647119 au 
 T_jup = 2.920 
[ 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 11.3   n/a MPO296277  
diameter diameter 28.749 km 3.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.071   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

17351 Pheidippos           Discovered 1973 Sept. 19 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Pheidippos was a hero from Nisyros, in the Kalydnian islands. Son of king Thessalos, brother of Antiphos and grandson of Heracles, he fought against Telephos, king of Mysia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1973 SV = 1997 TH28 = 1998 VG54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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