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269323 Madisonvillehigh (2008 SE209)
Classification: Main-belt Asteroid          SPK-ID: 2269323
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0197840003467922 8.9172e-08  
a 2.887047042137295 3.2398e-08 au
q 2.829929702454445 2.7633e-07 au
i 10.74103332537407 6.3308e-06 deg
node 1.329159264180136 3.0755e-05 deg
peri 192.5258112589568 0.00015338 deg
M 350.7225641552056 0.00014866 deg
tp 2459246.674763160851
(2021-Feb-01.17476316)
0.00073976 TDB
period 1791.757444190078
4.91
3.016e-05
8.257e-08
d
yr
n .200920052637331 3.382e-09 deg/d
Q 2.944164381820145 3.3039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6989 days (19.13 yr)  
   first obs. used      2001-03-23  
   last obs. used      2020-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:27:29  

Additional Information
 Earth MOID = 1.83016 au 
 Jupiter MOID = 2.0166 au 
 T_jup = 3.266 
[ 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 16.67   n/a E2021B55  

269323 Madisonvillehigh           Discovered 2008 Sept. 28 at the Astronomical Research Observatory, Charleston.
Madisonville High School, Texas, is a long-time participant in the IASC minor planet search campaigns. This minor planet was found by students and teacher Denise Rothrock at the school.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2008 SE209 = 2003 UO334 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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