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13062 Podarkes (1991 HN)
Classification: Jupiter Trojan          SPK-ID: 2013062
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009987034942492208 8.5106e-08  
a 5.15273017057762 1.5396e-07 AU
q 5.101269674314827 4.1209e-07 AU
i 8.234359519120925 7.345e-06 deg
node 91.02153394648586 6.2768e-05 deg
peri 289.48588856987 0.00040976 deg
M 197.2581803818024 0.00040502 deg
tp 2458931.806466540049
(2020-Mar-23.30646654)
0.0048037 JED
period 4272.229040977698
11.70
0.00019148
5.242e-07
d
yr
n .08426514509100715 3.7767e-09 deg/d
Q 5.204190666840412 1.555e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      8440 days (23.11 yr)  
   first obs. used      1991-03-22  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54105  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:24:19  

Additional Information
 Earth MOID = 4.11441 AU 
 T_jup = 2.979 
[ 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 11.1 mag n/a MPO293525  

13062 Podarkes           Discovered 1991 Apr. 19 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
Podarkes, son of Ares and full brother of Protesilaos, led the Achaians and took 40 black ships to the Trojan war.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1991 HN = 1998 XC56 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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