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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 
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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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2035-Dec-31 11:18 00:03 Thisb 0.0108638209210719 0.0108575557579291 0.0108700917486105 4.58281432538987 4.58281418844054 2464692.971059324 2.93174060407117 915.947691542469 278.348909974857 80.6431591570719 5765.43484386511 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 13:10:50 2020-Feb-25 13:11
2059-Nov-25 12:13 00:04 Europ 0.0397583431880464 0.0397477667677907 0.0397689237007474 5.35539571478713 5.35539566486974 2473423.008996380 4.32620158393514 1075.57851320407 387.477614742839 -69.1156162273518 14470.6456034856 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 13:10:50 2020-Feb-25 13:11

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