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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390524982359456 1.4909e-07  
a 5.161141368404087 1.7618e-07 au
q 4.443471767378612 7.9673e-07 au
i 20.95711940787856 1.2654e-05 deg
node 227.3697239545731 2.2916e-05 deg
peri 106.6791113627254 7.4354e-05 deg
M 144.7020792500465 5.9574e-05 deg
tp 2455879.070147247601
(2011-Nov-13.57014725)
0.00067477 JED
period 4282.694140973545
11.73
0.00021929
6.004e-07
d
yr
n .08405923658096316 4.3041e-09 deg/d
Q 5.878810969429561 2.0068e-07 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      13618 days (37.28 yr)  
   first obs. used      1977-10-07  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:47:51  

Additional Information
 Earth MOID = 3.50985 au 
 Jupiter MOID = .0970419 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 12.6 mag n/a MPO351228  

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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