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72000 (2000 WJ186)
Classification: Main-belt Asteroid          SPK-ID: 2072000
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114197689238715 3.3496e-08  
a 2.327802872700667 9.9687e-09 au
q 2.061973163635008 7.7746e-08 au
i 3.504306071470474 4.0575e-06 deg
node 182.7583682036538 5.8859e-05 deg
peri 229.9863368313216 6.1872e-05 deg
M 206.7982178684144 1.8404e-05 deg
tp 2459552.550799407776
(2021-Dec-04.05079941)
6.736e-05 TDB
period 1297.232218983604
3.55
8.333e-06
2.281e-08
d
yr
n .2775139213563969 1.7827e-09 deg/d
Q 2.593632581766326 1.1107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:34:39  

Additional Information
 Earth MOID = 1.07475 au 
 Jupiter MOID = 2.71877 au 
 T_jup = 3.562 
[ 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 15.9   n/a MPO319909  
diameter diameter 1.926 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72000 (2000 WJ186)          Discovered 2000-Nov-27 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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