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71979 (2000 WN143)
Classification: Main-belt Asteroid          SPK-ID: 2071979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137869183894866 4.2257e-08  
a 2.455836707723119 1.1655e-08 au
q 2.117252505050278 1.0377e-07 au
i 13.1048805542855 4.7762e-06 deg
node 298.5827435476038 2.0936e-05 deg
peri 241.2164531690466 2.7525e-05 deg
M 321.9543804819286 2.0432e-05 deg
tp 2459149.059290382906
(2020-Oct-26.55929038)
8.0205e-05 TDB
period 1405.716222138087
3.85
1.0007e-05
2.74e-08
d
yr
n .256097208192164 1.8231e-09 deg/d
Q 2.794420910395961 1.3262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:34:23  

Additional Information
 Earth MOID = 1.15659 au 
 Jupiter MOID = 2.3072 au 
 T_jup = 3.444 
[ show covariance matrix ]

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 15.0   n/a MPO319908  
diameter diameter 2.911 km 0.601 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71979 (2000 WN143)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WN143 = 1999 TX268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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