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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0453432685775026 4.7837e-08  
a 5.263136082802027 8.471e-08 au
q 5.02448828983959 2.4358e-07 au
i 9.044935875830578 4.354e-06 deg
node 123.9853836074721 3.4895e-05 deg
peri 70.69409542995487 6.9871e-05 deg
M 39.18619030870256 5.7916e-05 deg
tp 2458520.439615950089
(2019-Feb-05.93961595)
0.00071266 TDB
period 4410.271498619944
12.07
0.00010648
2.915e-07
d
yr
n .08162762771240969 1.9707e-09 deg/d
Q 5.501783875764464 8.8551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1322  
   data-arc span      23946 days (65.56 yr)  
   first obs. used      1954-11-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:08:06  

Additional Information
 Earth MOID = 4.03767 au 
 Jupiter MOID = .12217 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 11.7   n/a MPO474075  
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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