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243865 (2000 WX172)
Classification: Main-belt Asteroid          SPK-ID: 2243865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3012869045162279 6.1081e-08  
a 2.616858477987249 2.2858e-08 au
q 1.828433287597424 1.6223e-07 au
i 16.06630727507033 1.4779e-05 deg
node 293.4451121226972 3.0189e-05 deg
peri 102.3890140609991 4.5493e-05 deg
M 260.0054581714408 3.1091e-05 deg
tp 2459429.979634943062
(2021-Aug-03.47963494)
0.00013727 TDB
period 1546.21108064664
4.23
2.0259e-05
5.547e-08
d
yr
n .2328272022532943 3.0506e-09 deg/d
Q 3.405283668377075 2.9745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      6316 days (17.29 yr)  
   first obs. used      2000-11-25  
   last obs. used      2018-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:18:24  

Additional Information
 Earth MOID = .912334 au 
 Jupiter MOID = 2.31 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456652.5 (2013-Dec-26.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3029946878369957 5.9561e-08  
q 1.822274683230905 1.5653e-07 au
tp 2456343.508866493858
(2013-Feb-20.00886649)
0.00011604 TDB
node 293.4852266025801 3.0219e-05 deg
peri 102.691926749415 4.5359e-05 deg
i 16.0640371048553 1.4774e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      6316 days (17.29 yr)  
   first obs. used      2000-11-25  
   last obs. used      2018-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:18:24  

Additional Information
 Jupiter MOID = 2.31 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.547550139199939E-15 -9.278140167753294E-15 -3.761246365038692E-12 4.279401546672686E-14 -1.186297377935217E-12 -1.399107231707766E-14
q -9.278140167753294E-15 2.450136736530155E-14 1.041374832648499E-11 -1.222993041420692E-13 3.272528773454903E-12 3.66259826102211E-14
tp -3.761246365038692E-12 1.041374832648499E-11 1.34653136520514E-8 -1.810189427905476E-10 3.995491430879898E-9 2.475476838259644E-11
node 4.279401546672686E-14 -1.222993041420692E-13 -1.810189427905476E-10 9.131663502920155E-10 -9.273922763471346E-10 2.926520205889651E-10
peri -1.186297377935217E-12 3.272528773454903E-12 3.995491430879898E-9 -9.273922763471346E-10 2.057403410612376E-9 -2.740410346897364E-10
i -1.399107231707766E-14 3.66259826102211E-14 2.475476838259644E-11 2.926520205889651E-10 -2.740410346897364E-10 2.182683359641636E-10

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 15.7   n/a MPO291696  

243865 (2000 WX172)          Discovered 2000-Nov-25 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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