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JPL Small-Body Database Browser
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193417 (2000 WJ69)
Classification: Main-belt Asteroid          SPK-ID: 2193417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04325881961479818 4.4981e-07  
a 2.539759229269719 2.3475e-08 au
q 2.429892242905721 1.1564e-06 au
i 7.731949648399869 8.2206e-06 deg
node 312.5666482296523 4.7196e-05 deg
peri 251.4748987915627 0.00033563 deg
M 44.63648522991797 0.00036219 deg
tp 2458417.194820382773
(2018-Oct-25.69482038)
0.0014857 TDB
period 1478.383979435093
4.05
2.0497e-05
5.612e-08
d
yr
n .2435091322739848 3.3761e-09 deg/d
Q 2.649626215633717 2.449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      7372 days (20.18 yr)  
   first obs. used      1998-03-04  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60008  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:58:22  

Additional Information
 Earth MOID = 1.44055 au 
 Jupiter MOID = 2.36195 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456494.5 (2013-Jul-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04284285833071954 4.5691e-07  
q 2.431370058468757 1.1759e-06 au
tp 2456932.277629895341
(2014-Oct-01.77762990)
0.0013976 TDB
node 312.6335838073807 4.7243e-05 deg
peri 249.5513336967108 0.00031726 deg
i 7.727893001000511 8.216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      7372 days (20.18 yr)  
   first obs. used      1998-03-04  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60008  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:58:22  

Additional Information
 Jupiter MOID = 2.36195 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.087708224903162E-13 -5.372292060400878E-13 -6.213212813231042E-10 2.263047877132098E-12 -1.388274627668194E-10 6.714713905681059E-13
q -5.372292060400878E-13 1.382770783075229E-12 1.600649076408301E-9 -5.830790251040797E-12 3.576647742234164E-10 -1.728361066716723E-12
tp -6.213212813231042E-10 1.600649076408301E-9 1.95319205443935E-6 -6.848733960094117E-9 4.384638619027721E-7 -1.983579673912452E-9
node 2.263047877132098E-12 -5.830790251040797E-12 -6.848733960094117E-9 2.23193219142701E-9 -3.718373712002534E-9 1.537828860072972E-10
peri -1.388274627668194E-10 3.576647742234164E-10 4.384638619027721E-7 -3.718373712002534E-9 1.006552837705408E-7 -5.8819744206136E-10
i 6.714713905681059E-13 -1.728361066716723E-12 -1.983579673912452E-9 1.537828860072972E-10 -5.8819744206136E-10 6.750322113933297E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO294270  
diameter diameter 2.214 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193417 (2000 WJ69)          Discovered 2000-Nov-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 WJ69 = 2002 CO144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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