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JPL Small-Body Database Browser
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172507 (2003 SH208)
Classification: Main-belt Asteroid          SPK-ID: 2172507
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313821507834692 4.632e-08  
a 2.429933435934478 1.4999e-08 au
q 2.110683554860742 1.1368e-07 au
i 5.686963142982835 4.9274e-06 deg
node 218.0092206883726 5.2481e-05 deg
peri 89.64325111825306 5.574e-05 deg
M 175.9479478859903 2.2009e-05 deg
tp 2458324.305401125401
(2018-Jul-24.80540113)
8.2661e-05 TDB
period 1383.53449710361
3.79
1.281e-05
3.507e-08
d
yr
n .260203125222862 2.4092e-09 deg/d
Q 2.749183317008215 1.6969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:50:27  

Additional Information
 Earth MOID = 1.10542 au 
 Jupiter MOID = 2.48282 au 
 T_jup = 3.490 
[ 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 16.5   n/a MPO454182  

172507 (2003 SH208)          Discovered 2003-Sep-23 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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