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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05287123364135912 9.6442e-08  
a 3.167161523781574 6.6181e-08 au
q 2.999709786877795 3.4338e-07 au
i 9.418723639934862 9.9773e-06 deg
node 175.3974433483843 3.7391e-05 deg
peri 271.6904551474877 0.00010867 deg
M 235.6174416526556 0.00010803 deg
tp 2459711.812974736144
(2022-May-12.31297474)
0.00062747 TDB
period 2058.750634392937
5.64
6.4529e-05
1.767e-07
d
yr
n .1748633340949294 5.4809e-09 deg/d
Q 3.334613260685352 6.968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2001-03-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:11  

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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