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225276 Leitos (1436 T-2)
Classification: Jupiter Trojan          SPK-ID: 2225276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568939507881931 7.3318e-08  
a 5.199343085552363 1.5187e-07 au
q 4.383597607356779 4.8143e-07 au
i 6.109594706949534 1.1573e-05 deg
node 341.5646215603977 4.3785e-05 deg
peri 71.60813400975015 5.9266e-05 deg
M 336.2145350246115 3.8278e-05 deg
tp 2459682.608187208509
(2022-Apr-13.10818721)
0.00046508 TDB
period 4330.331465104392
11.86
0.00018973
5.195e-07
d
yr
n .08313451358193463 3.6425e-09 deg/d
Q 6.015088563747947 1.757e-07 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      17277 days (47.30 yr)  
   first obs. used      1973-09-24  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:31:09  

Additional Information
 Earth MOID = 3.40081 au 
 Jupiter MOID = .0404937 au 
 T_jup = 2.964 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.46   n/a E2021B55  

225276 Leïtos           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Leïtos, son of Alektryon, leader of the Boeotians, was wounded by Hektor in the Trojan War. The name was suggested by I. J. F. de Yong.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

Alternate Designations
 1436 T-2 = 2008 PW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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