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117582 Kenjikawai (2005 ED39)
Classification: Main-belt Asteroid          SPK-ID: 2117582
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281856839347095 4.1537e-08  
a 2.452240814732138 1.4615e-08 au
q 2.137898648723089 1.0455e-07 au
i 10.24171238522526 6.5937e-06 deg
node 188.4729925252819 2.1258e-05 deg
peri 65.57201492199809 3.3852e-05 deg
M 267.3477024728963 2.6591e-05 deg
tp 2459361.491348669662
(2021-May-26.99134867)
0.00010499 TDB
period 1402.629929204528
3.84
1.2539e-05
3.433e-08
d
yr
n .2566607146363735 2.2945e-09 deg/d
Q 2.766582980741186 1.6488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      10345 days (28.32 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:00  

Additional Information
 Earth MOID = 1.14804 au 
 Jupiter MOID = 2.29418 au 
 T_jup = 3.462 
[ 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 16.0   n/a MPO266405  
diameter diameter 2.210 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117582 Kenjikawai           Discovered 2005 Mar. 7 by R. A. Tucker at Goodricke-Pigott.
Kenji Kawai (b. 1957) is a talented Japanese composer, musician, and conductor who has written music for numerous movies, television programs and video games.
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 2020-02-05Last Updated: 2020-02-20

[ show close-approach data ]
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