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441503 (2008 SH117)
Classification: Main-belt Asteroid          SPK-ID: 2441503
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052246944894602 5.4333e-08  
a 2.341834243762133 1.4361e-08 au
q 1.861232026541093 1.2885e-07 au
i 1.118477257526808 5.8002e-06 deg
node 336.8591145864165 0.00028714 deg
peri 18.46942042481954 0.0002877 deg
M 107.5135520080397 1.6257e-05 deg
tp 2458609.575072157101
(2019-May-06.07507216)
5.7212e-05 TDB
period 1308.9789277255
3.58
1.204e-05
3.296e-08
d
yr
n .275023525875654 2.5297e-09 deg/d
Q 2.822436460983173 1.7308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      5150 days (14.10 yr)  
   first obs. used      2005-12-22  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:39  

Additional Information
 Earth MOID = .856633 au 
 Jupiter MOID = 2.62018 au 
 T_jup = 3.535 
[ 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 17.7   n/a MPO456091  

441503 (2008 SH117)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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