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193396 (2000 WH8)
Classification: Main-belt Asteroid          SPK-ID: 2193396
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144858060905553 4.6087e-08  
a 2.575232588224666 1.6537e-08 au
q 2.022881750668631 1.2237e-07 au
i 4.985542682019367 5.7025e-06 deg
node 24.91406862711797 4.9737e-05 deg
peri 25.58093404467212 5.2097e-05 deg
M 277.8322502521689 1.8993e-05 deg
tp 2459345.026005467814
(2021-May-10.52600547)
8.2201e-05 TDB
period 1509.465238479248
4.13
1.4539e-05
3.981e-08
d
yr
n .2384950582649335 2.2972e-09 deg/d
Q 3.1275834257807 2.0083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:03:29  

Additional Information
 Earth MOID = 1.03459 au 
 Jupiter MOID = 2.27047 au 
 T_jup = 3.390 
[ 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 15.8   n/a MPO297204  
diameter diameter 3.910 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193396 (2000 WH8)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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