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308414 (2005 SY108)
Classification: Main-belt Asteroid          SPK-ID: 2308414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361862514449781 1.1394e-07  
a 3.150581316202563 3.6571e-08 au
q 2.406457325256095 3.7467e-07 au
i 9.026222843717292 1.1856e-05 deg
node 201.4264224310767 3.4856e-05 deg
peri 148.2984328030074 3.844e-05 deg
M 240.0743170320593 1.6466e-05 deg
tp 2459680.946784793627
(2022-Apr-11.44678479)
9.9796e-05 TDB
period 2042.605357446163
5.59
3.5565e-05
9.737e-08
d
yr
n .1762454987634529 3.0687e-09 deg/d
Q 3.894705307149032 4.5209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      5377 days (14.72 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:01:22  

Additional Information
 Earth MOID = 1.40661 au 
 Jupiter MOID = 1.61606 au 
 T_jup = 3.145 
[ 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 15.7   n/a MPO341961  

308414 (2005 SY108)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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