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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08008005486977141 6.7246e-08  
a 2.462380531132212 2.0453e-08 au
q 2.265192963088888 1.5941e-07 au
i 3.608613733334143 7.8684e-06 deg
node 348.4514518313722 9.0427e-05 deg
peri 242.9701904234876 0.00010149 deg
M 99.99931813681449 4.322e-05 deg
tp 2458608.464208942801
(2019-May-04.96420894)
0.00016977 TDB
period 1411.338471203375
3.86
1.7585e-05
4.815e-08
d
yr
n .25507701189003 3.1781e-09 deg/d
Q 2.659568099175537 2.2091e-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 = 1.2574 au 
 Jupiter MOID = 2.33219 au 
 T_jup = 3.482 
[ 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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