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JPL Small-Body Database Browser
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65224 (2002 EJ44)
Classification: Jupiter Trojan          SPK-ID: 2065224
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04381778086851273 8.3755e-08  
a 5.239856003317156 1.309e-07 au
q 5.010257141181244 3.9612e-07 au
i 15.87332080337195 7.0241e-06 deg
node 179.2011099255712 1.9275e-05 deg
peri 25.58956581345351 7.9243e-05 deg
M 130.1525415112047 7.5134e-05 deg
tp 2457016.600551458495
(2014-Dec-25.10055146)
0.00090282 TDB
period 4381.042389601387
11.99
0.00016417
4.495e-07
d
yr
n .08217222477793805 3.0793e-09 deg/d
Q 5.469454865453068 1.3664e-07 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      10398 days (28.47 yr)  
   first obs. used      1991-05-04  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:38:39  

Additional Information
 Earth MOID = 4.01533 au 
 Jupiter MOID = .430331 au 
 T_jup = 2.922 
[ 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 MPO453046  
diameter diameter 15.990 km 1.163 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.076   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

65224 (2002 EJ44)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 EJ44 = 2001 DE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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