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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0978423143529865 6.0215e-08  
a 5.160149244977213 1.0041e-07 au
q 4.655268300441826 3.7939e-07 au
i 15.29053676255183 6.6881e-06 deg
node 2.861821773649738 1.4095e-05 deg
peri 46.59182853959494 3.4479e-05 deg
M 335.06999856077 3.2317e-05 deg
tp 2459692.991074357527
(2022-Apr-23.49107436)
0.00038691 TDB
period 4281.459310337153
11.72
0.00012496
3.421e-07
d
yr
n .08408348039903503 2.4541e-09 deg/d
Q 5.6650301895126 1.1023e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      24861 days (68.07 yr)  
   first obs. used      1953-01-10  
   last obs. used      2021-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:50:31  

Additional Information
 Earth MOID = 3.6843 au 
 Jupiter MOID = .0123646 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 11.49   n/a E2021B10  
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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