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226447 (2003 SM74)
Classification: Main-belt Asteroid          SPK-ID: 2226447
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101863346948698 4.9917e-08  
a 2.908490093709412 2.253e-08 au
q 2.588014230787234 1.4279e-07 au
i 2.1444532769343 4.6843e-06 deg
node 248.2599317345212 0.00015641 deg
peri 211.7164710927936 0.0001592 deg
M 47.23977526139178 2.7833e-05 deg
tp 2458762.758426738030
(2019-Oct-06.25842674)
0.00013993 TDB
period 1811.756425612337
4.96
2.1052e-05
5.764e-08
d
yr
n .1987022068258029 2.3088e-09 deg/d
Q 3.22896595663159 2.5012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      7412 days (20.29 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:28:44  

Additional Information
 Earth MOID = 1.6052 au 
 Jupiter MOID = 1.91262 au 
 T_jup = 3.274 
[ 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 16.0   n/a MPO459997  

226447 (2003 SM74)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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