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215424 (2002 JE18)
Classification: Main-belt Asteroid          SPK-ID: 2215424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03822346477056184 4.531e-08  
a 2.272791131667117 1.2835e-08 au
q 2.185917179914994 1.0772e-07 au
i 4.907655745146549 5.5595e-06 deg
node 233.3968205411947 5.9714e-05 deg
peri 40.9279428890816 0.00010325 deg
M 50.42966622165515 8.6852e-05 deg
tp 2458825.184098605318
(2019-Dec-07.68409861)
0.00030157 TDB
period 1251.519774584262
3.43
1.0602e-05
2.903e-08
d
yr
n .2876502691454375 2.4367e-09 deg/d
Q 2.359665083419241 1.3326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8633 days (23.64 yr)  
   first obs. used      1996-10-12  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:14:06  

Additional Information
 Earth MOID = 1.17245 au 
 Jupiter MOID = 2.66117 au 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO433410  

215424 (2002 JE18)          Discovered 2002-May-07 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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