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17555 Kenkennedy (1993 VC5)
Classification: Mars-crossing Asteroid          SPK-ID: 2017555
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3263353004230644 3.5695e-08  
a 2.370592885748493 8.8794e-09 au
q 1.596984744196979 8.199e-08 au
i 21.59246748098244 4.251e-06 deg
node 161.8709075254636 9.98e-06 deg
peri 251.9580628641909 1.1563e-05 deg
M 85.70036370896469 6.0175e-06 deg
tp 2458683.131326783478
(2019-Jul-18.63132678)
2.1423e-05 TDB
period 1333.164964689601
3.65
7.4904e-06
2.051e-08
d
yr
n .270034098956252 1.5172e-09 deg/d
Q 3.144201027300007 1.1777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      12170 days (33.32 yr)  
   first obs. used      1986-12-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:37:55  

Additional Information
 Earth MOID = .72711 au 
 Jupiter MOID = 2.63326 au 
 T_jup = 3.381 
[ 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 14.8   n/a MPO452419  
diameter diameter 2.583 km 0.440 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.290   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

17555 Kenkennedy           Discovered 1993 Nov. 4 by R. H. McNaught at Siding Spring.
Kenneth Kennedy (b. 1942) has been an active amateur astronomer in Scotland for fifty years. A retired senior hematologist, he has been Director of the BAA Aurora Section and has encouraged amateur collaboration in professional studies of aurora and polar mesospheric clouds.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-11-14Last Updated: 2016-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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