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160817 (2000 WK72)
Classification: Inner Main-belt Asteroid          SPK-ID: 2160817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04285554420186505 6.0839e-08  
a 1.898552405681681 8.363e-09 au
q 1.817188909140432 1.1483e-07 au
i 23.50302510801892 6.2838e-06 deg
node 293.1087205649721 1.4706e-05 deg
peri 239.1866689368953 8.2368e-05 deg
M 98.05697996910409 8.5554e-05 deg
tp 2458740.239461713312
(2019-Sep-13.73946171)
0.00022649 TDB
period 955.5035634661488
2.62
6.3134e-06
1.729e-08
d
yr
n .3767646859359451 2.4894e-09 deg/d
Q 1.979915902222929 8.7214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:08:44  

Additional Information
 Earth MOID = .86425 au 
 Jupiter MOID = 3.14306 au 
 T_jup = 3.848 
[ 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 15.7   n/a MPO359835  
diameter diameter 2.258 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160817 (2000 WK72)          Discovered 2000-Nov-19 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2000 WK72 = 2002 OK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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