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441826 (2009 SR64)
Classification: Main-belt Asteroid          SPK-ID: 2441826
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0528711908768741 9.9731e-08  
a 3.167161437469169 1.1202e-07 au
q 2.999709840570862 3.637e-07 au
i 9.418720281718199 1.3486e-05 deg
node 175.397393452911 5.2278e-05 deg
peri 271.6905970405523 0.00014608 deg
M 235.6173625503672 0.00013 deg
tp 2459711.813398025115
(2022-May-12.31339802)
0.00073524 TDB
period 2058.750550234433
5.64
0.00010922
2.99e-07
d
yr
n .1748633412430691 9.277e-09 deg/d
Q 3.334613034367477 1.1794e-07 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2001-03-21  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55281  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:22:53  

Additional Information
 Earth MOID = 2.03565 au 
 Jupiter MOID = 1.79802 au 
 T_jup = 3.180 
[ 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 16.3   n/a MPO440828  

441826 (2009 SR64)          Discovered 2007-Apr-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 SR64 = 2007 JD46 = 2012 DR57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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