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226847 (2004 SM45)
Classification: Main-belt Asteroid          SPK-ID: 2226847
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03053646183533192 8.7948e-08  
a 2.776107778949926 2.6877e-08 au
q 2.691335269707254 2.3271e-07 au
i 13.85580432646649 6.742e-06 deg
node 200.2517107310685 2.5381e-05 deg
peri 199.1638154867259 0.0001155 deg
M 111.4292850122327 0.00010911 deg
tp 2458477.562538258136
(2018-Dec-25.06253826)
0.00051339 TDB
period 1689.479441660278
4.63
2.4535e-05
6.717e-08
d
yr
n .2130833859962347 3.0944e-09 deg/d
Q 2.860880288192599 2.7698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      8927 days (24.44 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:58  

Additional Information
 Earth MOID = 1.69838 au 
 Jupiter MOID = 2.26181 au 
 T_jup = 3.292 
[ 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 15.7   n/a MPO376547  

226847 (2004 SM45)          Discovered 2004-Sep-18 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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