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226491 (2003 SR274)
Classification: Main-belt Asteroid          SPK-ID: 2226491
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416289649119086 4.8917e-08  
a 3.121748431074167 2.5498e-08 au
q 2.679618432065758 1.5745e-07 au
i 5.43781613052365 6.355e-06 deg
node 35.94657857323484 5.5071e-05 deg
peri 274.2063903959656 5.9854e-05 deg
M 61.54885974201932 2.1348e-05 deg
tp 2458656.060626310590
(2019-Jun-21.56062631)
0.00012012 TDB
period 2014.629922437607
5.52
2.4682e-05
6.758e-08
d
yr
n .1786928685961425 2.1893e-09 deg/d
Q 3.563878430082577 2.9109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      10251 days (28.07 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:32:27  

Additional Information
 Earth MOID = 1.67246 au 
 Jupiter MOID = 1.73356 au 
 T_jup = 3.193 
[ 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 15.5   n/a MPO450050  

226491 (2003 SR274)          Discovered 2003-Sep-28 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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