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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09710421725143101 6.0988e-08  
a 5.163962900204381 1.217e-07 au
q 4.662520324864605 3.8215e-07 au
i 15.2835083427531 6.7731e-06 deg
node 2.876060366793499 2.1729e-05 deg
peri 45.84805279634305 4.4077e-05 deg
M 268.7653731896339 4.2779e-05 deg
tp 2459686.751267585643
(2022-Apr-17.25126759)		 0.00052983 TDB
period 4286.206564352387
11.73		 0.00015152
4.148e-07		 d
yr
n .08399035244685957 2.9691e-09 deg/d
Q 5.665405475544157 1.3352e-07 au
   Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      24396 days (66.79 yr)  
   first obs. used      1953-01-10  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:08:12  

Additional Information
 Earth MOID = 3.69078 au 
 Jupiter MOID = .00013084 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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