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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 ]

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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 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 
[ show covariance matrix ]

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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