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266795 (2009 SL307)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362810394372479 4.7991e-08  
a 3.243556615658703 3.8888e-08 au
q 2.801521348603173 1.6924e-07 au
i 3.900192798220385 4.6758e-06 deg
node 74.31048549520153 9.702e-05 deg
peri 15.08384159067684 9.994e-05 deg
M 268.4239539153235 2.6961e-05 deg
tp 2459743.262755662340
(2022-Jun-12.76275566)
0.00016461 TDB
period 2133.686705121219
5.84
3.8372e-05
1.051e-07
d
yr
n .168722052368765 3.0343e-09 deg/d
Q 3.685591882714232 4.4188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2003-09-22  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:16  

Additional Information
 Earth MOID = 1.81795 au 
 Jupiter MOID = 1.52079 au 
 T_jup = 3.165 
[ 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 15.71   n/a E2021B55  

266795 (2009 SL307)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SL307 = 2003 SE431 = 2003 SL264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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