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23549 Epicles (1994 ES6)
Classification: Jupiter Trojan          SPK-ID: 2023549
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04520448690685246 6.4381e-08  
a 5.260632068284071 9.9787e-08 au
q 5.022827894831556 3.6698e-07 au
i 9.044859409764872 5.9092e-06 deg
node 123.9930647755472 3.6581e-05 deg
peri 69.68418158877543 7.4049e-05 deg
M 7.451698170000264 6.4013e-05 deg
tp 2458509.276217948564
(2019-Jan-25.77621795)
0.00078378 TDB
period 4407.124495558563
12.07
0.0001254
3.433e-07
d
yr
n .08168591569464463 2.3242e-09 deg/d
Q 5.498436241736586 1.043e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      23543 days (64.46 yr)  
   first obs. used      1954-11-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53029  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:12:24  

Additional Information
 Earth MOID = 4.0365 au 
 Jupiter MOID = .124876 au 
 T_jup = 2.973 
[ 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 11.6   n/a MPO435921  
diameter diameter 17.505 km 0.653 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.132   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

23549 Epicles           Discovered 1994 Mar. 9 by E. W. Elst at Caussols.
Epicles, a Lycian warrior fighting for the Trojan forces, was killed by Ajax, who hit him on the head with a heavy stone.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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