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JPL Small-Body Database Browser
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226027 (2002 EK127)
Classification: Jupiter Trojan          SPK-ID: 2226027
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09047682538660039 8.3421e-08  
a 5.205555726357406 2.3428e-07 au
q 4.734573569863548 5.7345e-07 au
i 31.10187796560979 1.2511e-05 deg
node 352.858715798104 1.4876e-05 deg
peri 62.59786566482368 7.5768e-05 deg
M 268.2145890459644 8.0144e-05 deg
tp 2459706.538470307989
(2022-May-07.03847031)
0.0010095 TDB
period 4338.095184977427
11.88
0.00029286
8.018e-07
d
yr
n .08298573098318801 5.6023e-09 deg/d
Q 5.676537882851263 2.5548e-07 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6468 days (17.71 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:49:02  

Additional Information
 Earth MOID = 3.839 au 
 Jupiter MOID = .000405298 au 
 T_jup = 2.705 
[ 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 12.6   n/a MPO494238  
diameter diameter 12.563 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.102   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

226027 (2002 EK127)          Discovered 2002-Mar-12 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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