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JPL Small-Body Database Browser
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55678 Lampos (3291 T-1)
Classification: Jupiter Trojan          SPK-ID: 2055678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012948389097197 5.2985e-08  
a 5.224829370041038 1.2691e-07 au
q 4.695581120671959 2.6122e-07 au
i 7.392005587308432 6.9079e-06 deg
node 212.1599240981111 4.2774e-05 deg
peri 284.099860910235 5.7411e-05 deg
M 63.85921054451713 3.4782e-05 deg
tp 2457826.701934846478
(2017-Mar-14.20193485)
0.00043043 TDB
period 4362.210260351946
11.94
0.00015893
4.351e-07
d
yr
n .08252697107978352 3.0068e-09 deg/d
Q 5.754077619410118 1.3976e-07 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      17578 days (48.13 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:07:57  

Additional Information
 Earth MOID = 3.71942 au 
 Jupiter MOID = .17439 au 
 T_jup = 2.973 
[ 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 12.3   n/a MPO270408  
diameter diameter 17.636 km 1.071 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

55678 Lampos           Discovered 1971 Mar. 26 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Lampos was one of the members 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
 3291 T-1 = 2000 RY37 = 2001 TV193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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