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434040 (2001 SL309)
Classification: Main-belt Asteroid          SPK-ID: 2434040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1810289449796673 4.3595e-08  
a 2.391994830252568 1.7397e-08 au
q 1.958974529735127 1.0918e-07 au
i 1.157416372413198 6.6591e-06 deg
node 348.8534465109246 0.00032819 deg
peri 306.7798209552674 0.00032919 deg
M 65.18965997238068 2.5007e-05 deg
tp 2458755.810689645608
(2019-Sep-29.31068965)
9.3531e-05 TDB
period 1351.25956731331
3.70
1.4742e-05
4.036e-08
d
yr
n .2664180951671504 2.9065e-09 deg/d
Q 2.825015130770008 2.0546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6544 days (17.92 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:34:53  

Additional Information
 Earth MOID = .94328 au 
 Jupiter MOID = 2.37261 au 
 T_jup = 3.509 
[ 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 18.0   n/a MPO434581  

434040 (2001 SL309)          Discovered 2001-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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