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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398012176725864 1.4856e-07  
a 5.160962818608223 1.7605e-07 AU
q 4.43945393220385 7.9038e-07 AU
i 20.9598547234505 1.3537e-05 deg
node 227.3797198357031 2.3985e-05 deg
peri 106.8197587869031 7.9642e-05 deg
M 94.01078655447532 6.2255e-05 deg
tp 2455882.170688879362
(2011-Nov-16.67068888)
0.00072309 JED
period 4282.471903052749
11.72
0.00021913
5.999e-07
d
yr
n .08406359881622923 4.3014e-09 deg/d
Q 5.882471705012597 2.0066e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      13580 days (37.18 yr)  
   first obs. used      1977-10-07  
   last obs. used      2014-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59137  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:37:42  

Additional Information
 Earth MOID = 3.50693 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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