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JPL Small-Body Database Browser
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65228 (2002 EH58)
Classification: Jupiter Trojan          SPK-ID: 2065228
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06922241348610804 7.4256e-08  
a 5.082232402209033 1.5262e-07 au
q 4.730428009430823 4.7873e-07 au
i 16.69100249145421 6.8672e-06 deg
node 174.7732892081587 1.8302e-05 deg
peri 235.7091914595096 5.7542e-05 deg
M 325.3447851591014 5.8324e-05 deg
tp 2459403.352722312323
(2021-Jul-07.85272231)
0.00068122 TDB
period 4184.853006921253
11.46
0.0001885
5.161e-07
d
yr
n .08602452688412293 3.8749e-09 deg/d
Q 5.434036794987243 1.6318e-07 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      8450 days (23.13 yr)  
   first obs. used      1996-09-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:38:39  

Additional Information
 Earth MOID = 3.7696 au 
 Jupiter MOID = .112322 au 
 T_jup = 2.913 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06884008299934474 7.3726e-08  
q 4.724077879207851 4.755e-07 au
tp 2455241.688063068551
(2010-Feb-14.18806307)
0.00067777 TDB
node 174.7967716985168 1.8302e-05 deg
peri 236.8768102270651 5.8313e-05 deg
i 16.69793701172603 6.8703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      8450 days (23.13 yr)  
   first obs. used      1996-09-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:38:39  

Additional Information
 Jupiter MOID = .112322 au 
 T_jup = 2.913 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.435575483199621E-15 -3.408519900894145E-14 -1.562974446503345E-11 -1.346261444856206E-14 -1.528321931533847E-12 3.790006176461615E-15
q -3.408519900894145E-14 2.261005673200441E-13 7.248847934558553E-11 8.841499366804896E-14 8.145274904544215E-12 -1.67028719368739E-14
tp -1.562974446503345E-11 7.248847934558553E-11 4.593760029377119E-7 7.933299804971801E-11 3.730906534596922E-8 7.659126617286804E-13
node -1.346261444856206E-14 8.841499366804896E-14 7.933299804971801E-11 3.349677365235221E-10 -3.132022799581001E-10 6.36714530748625E-12
peri -1.528321931533847E-12 8.145274904544215E-12 3.730906534596922E-8 -3.132022799581001E-10 3.400391398756613E-9 -5.839962309335261E-12
i 3.790006176461615E-15 -1.67028719368739E-14 7.659126617286804E-13 6.36714530748625E-12 -5.839962309335261E-12 4.720085882230003E-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 12.3   n/a MPO453046  
diameter diameter 18.930 km 0.785 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

65228 (2002 EH58)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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