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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392124868261276 1.4869e-07  
a 5.161326605961074 1.7614e-07 au
q 4.442805493823376 7.934e-07 au
i 20.95736283956119 1.2654e-05 deg
node 227.3717753753717 2.2917e-05 deg
peri 106.7686935732154 7.427e-05 deg
M 127.7648598874702 5.9137e-05 deg
tp 2455880.479791357472
(2011-Nov-14.97979136)
0.00067482 JED
period 4282.924707100738
11.73
0.00021924
6.002e-07
d
yr
n .08405471135253662 4.3027e-09 deg/d
Q 5.879847718098771 2.0066e-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 = 3.50809 au 
 Jupiter MOID = .097303 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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