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JPL Small-Body Database Browser
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215407 (2002 EK115)
Classification: Jupiter Trojan          SPK-ID: 2215407
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05741082843079336 8.3281e-08  
a 5.280798674480176 2.0307e-07 au
q 4.977623647802033 3.7176e-07 au
i 3.693062706766908 6.6902e-06 deg
node 56.62842819460744 0.00012187 deg
peri 96.21569539076329 0.00014077 deg
M 169.887314969996 7.4362e-05 deg
tp 2456508.766775473627
(2013-Aug-04.26677547)
0.00084093 TDB
period 4432.490801108292
12.14
0.00025567
7e-07
d
yr
n .0812184426665897 4.6847e-09 deg/d
Q 5.583973701158317 2.1473e-07 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2001-01-19  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:58:37  

Additional Information
 Earth MOID = 3.991 au 
 Jupiter MOID = .142867 au 
 T_jup = 2.993 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05858280145535429 8.2868e-08  
q 4.966595418349512 3.7202e-07 au
tp 2456504.643969879047
(2013-Jul-31.14396988)
0.0008275 TDB
node 56.6445259998264 0.00012178 deg
peri 95.55590352452815 0.0001402 deg
i 3.695811946325325 6.6945e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2001-01-19  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:58:37  

Additional Information
 Jupiter MOID = .142867 au 
 T_jup = 2.993 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.867164826507146E-15 -2.778099026005967E-14 3.745279869109963E-11 -3.379032511959071E-14 3.135696704110009E-12 1.188754654263595E-15
q -2.778099026005967E-14 1.384014897723815E-13 -1.071130693927927E-10 1.274352557448633E-13 -8.744436572110792E-12 -8.142300185760022E-16
tp 3.745279869109963E-11 -1.071130693927927E-10 6.847623542088977E-7 -3.357535901522442E-10 5.770922070028505E-8 1.06735101897216E-11
node -3.379032511959071E-14 1.274352557448633E-13 -3.357535901522442E-10 1.483122153790971E-8 -1.482800565864453E-8 -3.290544102565279E-10
peri 3.135696704110009E-12 -8.744436572110792E-12 5.770922070028505E-8 -1.482800565864453E-8 1.96560089636303E-8 3.292922026124415E-10
i 1.188754654263595E-15 -8.142300185760022E-16 1.06735101897216E-11 -3.290544102565279E-10 3.292922026124415E-10 4.481686684264255E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO494187  
diameter diameter 13.363 km 1.667 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.075   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

215407 (2002 EK115)          Discovered 2002-Mar-10 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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