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186226 (2001 WC102)
Classification: Main-belt Asteroid          SPK-ID: 2186226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07123510412642291 3.7174e-08  
a 2.771081979644004 1.9078e-08 au
q 2.57368366628121 1.0742e-07 au
i 5.759247172314989 4.3059e-06 deg
node 75.88069053223168 5.5278e-05 deg
peri 29.85276687850964 7.0106e-05 deg
M 8.898886444571275 4.2032e-05 deg
tp 2459158.850897016661
(2020-Nov-05.35089702)
0.00019672 TDB
period 1684.893628814521
4.61
1.74e-05
4.764e-08
d
yr
n .2136633398354609 2.2065e-09 deg/d
Q 2.968480293006799 2.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7021 days (19.22 yr)  
   first obs. used      2001-11-18  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:25  

Additional Information
 Earth MOID = 1.59225 au 
 Jupiter MOID = 2.13082 au 
 T_jup = 3.326 
[ 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 16.40   n/a MPCxxxxx  
diameter diameter 3.452 km 0.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186226 (2001 WC102)          Discovered 2001-Nov-18 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 WC102 = 2003 FT30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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