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55701 Ukalegon (1193 T-3)
Classification: Jupiter Trojan          SPK-ID: 2055701
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401266257772071 1.4949e-07  
a 5.16028954594695 1.7638e-07 AU
q 4.437195583840007 7.9334e-07 AU
i 20.96281234636556 1.5555e-05 deg
node 227.3840556240535 2.6978e-05 deg
peri 106.7522763957899 0.00010032 deg
M 77.2236152408716 7.7588e-05 deg
tp 2455882.046525160139
(2011-Nov-16.54652516)
0.00091386 JED
period 4281.633926500668
11.72
0.00021952
6.01e-07
d
yr
n .08408005125609233 4.3108e-09 deg/d
Q 5.883383508053892 2.0109e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      13236 days (36.24 yr)  
   first obs. used      1977-10-07  
   last obs. used      2014-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60484  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 09:10:28  

Additional Information
 Earth MOID = 3.50319 AU 
 T_jup = 2.850 
[ 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 12.5 mag n/a MPO280076  

55701 Ukalegon           Discovered 1977 Oct. 17 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Ukalegon was an old hero and a member of the Trojan senate.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1193 T-3 = 2000 RY98 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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