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JPL Small-Body Database Browser
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31037 Mydon (1996 HZ25)
Classification: Jupiter Trojan          SPK-ID: 2031037
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302038657342015 7.3404e-08  
a 5.245651841763615 9.5531e-08 au
q 4.562647693670258 4.1585e-07 au
i 7.277368401672828 6.5522e-06 deg
node 188.7868655034407 4.0534e-05 deg
peri 28.10098436693512 4.5507e-05 deg
M 338.3999817813917 2.3436e-05 deg
tp 2458863.799016962438
(2020-Jan-15.29901696)
0.00028784 TDB
period 4388.313248033217
12.01
0.00011988
3.282e-07
d
yr
n .0820360761988327 2.241e-09 deg/d
Q 5.928655989856972 1.0797e-07 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      11937 days (32.68 yr)  
   first obs. used      1986-08-26  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50811  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:24:06  

Additional Information
 Earth MOID = 3.55832 au 
 Jupiter MOID = .6232 au 
 T_jup = 2.967 
[ 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 12.1   n/a MPO474162  
diameter diameter 19.127 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.077   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

31037 Mydon           Discovered 1996 Apr. 20 by E. W. Elst at the European Southern Observatory.
Mydon, a Paeonian charioteer fighting for the Trojans, was killed by Achilles near the Skamander river.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

Alternate Designations
 1996 HZ25 = 2000 TV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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