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166211 (2002 EP135)
Classification: Jupiter Trojan          SPK-ID: 2166211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007476428502756165 6.8261e-08  
a 5.217081463749711 1.5321e-07 au
q 5.178076327192931 3.8116e-07 au
i 7.991495934377336 7.9699e-06 deg
node 160.6048183883748 3.6242e-05 deg
peri 346.8223729190618 0.00044511 deg
M 226.6750478194928 0.00044813 deg
tp 2460612.439694280327
(2024-Oct-28.93969428)
0.0054613 TDB
period 4352.510767491282
11.92
0.00019173
5.249e-07
d
yr
n .08271088096756124 3.6434e-09 deg/d
Q 5.256086600306491 1.5435e-07 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 12:39:10  

Additional Information
 Earth MOID = 4.1877 au 
 Jupiter MOID = .256055 au 
 T_jup = 2.981 
[ 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 12.8   n/a MPO412948  
diameter diameter 14.412 km 1.052 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.078   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

166211 (2002 EP135)          Discovered 2002-Mar-14 by LONEOS at Anderson Mesa
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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