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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04315308010451432 5.0078e-08  
a 1.898211198423807 7.9986e-09 au
q 1.816297538522939 9.2734e-08 au
i 23.50267184916117 6.1922e-06 deg
node 293.1077417578261 1.2094e-05 deg
peri 239.2230605890628 8.0671e-05 deg
M 173.3594924566642 8.3265e-05 deg
tp 2458740.497332941429
(2019-Sep-13.99733294)
0.00022003 TDB
period 955.2459908273079
2.62
6.0378e-06
1.653e-08
d
yr
n .3768662768091971 2.382e-09 deg/d
Q 1.980124858324676 8.3438e-09 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7358 days (20.15 yr)  
   first obs. used      2000-11-19  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:55  

Additional Information
 Earth MOID = .863475 au 
 Jupiter MOID = 3.14255 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 15.73   n/a E2021B55  
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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