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JPL Small-Body Database Browser
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344629 (2003 JL18)
Classification: Jupiter Trojan          SPK-ID: 2344629
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07916517441210845 8.1059e-08  
a 5.230953460667731 2.6561e-07 au
q 4.816844117612348 6.2644e-07 au
i 8.114914359289241 7.7668e-06 deg
node 51.9504247500884 6.3259e-05 deg
peri 36.11683158262387 0.00010183 deg
M 252.5364303647911 8.6513e-05 deg
tp 2459904.953110989429
(2022-Nov-21.45311099)
0.0011044 TDB
period 4369.882012576806
11.96
0.00033283
9.112e-07
d
yr
n .0823820869679997 6.2746e-09 deg/d
Q 5.645062803723114 2.8663e-07 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2002-04-13  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:03  

Additional Information
 Earth MOID = 3.83718 au 
 Jupiter MOID = .0618541 au 
 T_jup = 2.974 
[ 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 13.7   n/a MPO455508  

344629 (2003 JL18)          Discovered 2003-May-01 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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