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249780 (2000 WD86)
Classification: Main-belt Asteroid          SPK-ID: 2249780
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526156523578195 7.6603e-08  
a 3.020781415854694 3.3627e-08 au
q 2.559762889443653 2.4782e-07 au
i 15.72260132654123 6.8947e-06 deg
node 264.3971439956139 3.0223e-05 deg
peri 136.4649622977083 5.5262e-05 deg
M 286.3675490605087 4.5346e-05 deg
tp 2459392.733003931765
(2021-Jun-27.23300393)
0.0002456 TDB
period 1917.685471742239
5.25
3.2021e-05
8.767e-08
d
yr
n .1877263009522286 3.1346e-09 deg/d
Q 3.481799942265736 3.8759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 17:03:13  

Additional Information
 Earth MOID = 1.59374 au 
 Jupiter MOID = 1.94839 au 
 T_jup = 3.172 
[ 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 15.5   n/a MPO454852  
diameter diameter 4.161 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249780 (2000 WD86)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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