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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01998578232102364 8.9369e-08  
a 2.887614854000055 3.2389e-08 au
q 2.829903612101055 2.7678e-07 au
i 10.73981499574571 6.3831e-06 deg
node 1.331662641822342 3.1007e-05 deg
peri 192.4024360613937 0.00015218 deg
M 310.6729636634602 0.00014754 deg
tp 2459246.078221511463
(2021-Jan-31.57822151)
0.0007338 TDB
period 1792.286062778051
4.91
3.0154e-05
8.256e-08
d
yr
n .2008607930823267 3.3794e-09 deg/d
Q 2.945326095899055 3.3036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2001-03-23  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:10:49  

Additional Information
 Earth MOID = 1.83081 au 
 Jupiter MOID = 2.01646 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457510.5 (2016-May-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02117923694836526 8.9104e-08  
q 2.826501389950162 2.7672e-07 au
tp 2457451.216272326607
(2016-Mar-03.71627233)
0.00069918 TDB
node 1.354890107517166 3.0994e-05 deg
peri 191.8269327324995 0.0001443 deg
i 10.74242793308341 6.3843e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2001-03-23  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:10:49  

Additional Information
 Jupiter MOID = 2.01646 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.939585063584097E-15 -2.454447544542361E-14 7.504346971147855E-12 -5.522744199882666E-15 1.907529142969826E-12 -7.730224060399203E-15
q -2.454447544542361E-14 7.657260822046861E-14 -2.631202462264217E-11 1.554731540043058E-14 -6.518964529007435E-12 2.399131173058093E-14
tp 7.504346971147855E-12 -2.631202462264217E-11 4.888552918292226E-7 2.59307606887696E-10 9.85246031558765E-8 1.456526450763193E-10
node -5.522744199882666E-15 1.554731540043058E-14 2.59307606887696E-10 9.606227999280105E-10 -8.915259781880708E-10 7.179770692695688E-12
peri 1.907529142969826E-12 -6.518964529007435E-12 9.85246031558765E-8 -8.915259781880708E-10 2.082191039416869E-8 2.20147263952992E-11
i -7.730224060399203E-15 2.399131173058093E-14 1.456526450763193E-10 7.179770692695688E-12 2.20147263952992E-11 4.075912602918611E-11

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 16.6   n/a MPO460156  

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

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