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31037 Mydon (1996 HZ25)
Classification: Jupiter Trojan          SPK-ID: 2031037
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288053824432642 9.9455e-08  
a 5.253903197593169 2.2237e-07 AU
q 4.577172186907291 4.9791e-07 AU
i 7.275699791018457 1.05e-05 deg
node 188.7761140459649 5.3953e-05 deg
peri 27.47494507746767 6.3179e-05 deg
M 207.7621968402911 4.1257e-05 deg
tp 2458860.622450659996
(2020-Jan-12.12245066)
0.00059464 JED
period 4398.671475409373
12.04
0.00027926
7.646e-07
d
yr
n .08184289324914763 5.196e-09 deg/d
Q 5.930634208279046 2.5101e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      10335 days (28.30 yr)  
   first obs. used      1986-08-26  
   last obs. used      2014-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56671  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:23:00  

Additional Information
 Earth MOID = 3.57423 AU 
 T_jup = 2.967 
[ 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 12.1 mag n/a MPO319466  

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 | Physical Parameters | Discovery Circumstances ]
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