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JPL Small-Body Database Browser
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226323 (2003 EM18)
Classification: Main-belt Asteroid          SPK-ID: 2226323
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07981530629520862 6.707e-08  
a 2.463185986329055 2.0216e-08 au
q 2.266586042368135 1.5897e-07 au
i 3.607395115132274 7.8671e-06 deg
node 348.5091012338979 9.0468e-05 deg
peri 243.4586957860283 0.00010168 deg
M 357.5202966392997 4.3592e-05 deg
tp 2458610.226161225429
(2019-May-06.72616123)
0.00017097 TDB
period 1412.031010098521
3.87
1.7383e-05
4.759e-08
d
yr
n .2549519078726761 3.1387e-09 deg/d
Q 2.659785930289974 2.1829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1997-10-25  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:28:49  

Additional Information
 Earth MOID = 1.25867 au 
 Jupiter MOID = 2.33347 au 
 T_jup = 3.481 
[ 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 16.4   n/a MPO433483  

226323 (2003 EM18)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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