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9466 Shishir (1998 KR46)
Classification: Main-belt Asteroid          SPK-ID: 2009466
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777790590882263 6.4176e-08  
a 2.301526815317877 1.6969e-08 AU
q 1.892363543624343 1.4422e-07 AU
i 5.499982771198523 6.4952e-06 deg
node 201.1662652255438 6.7354e-05 deg
peri 167.5878654898787 6.9461e-05 deg
M 164.821027517681 2.1401e-05 deg
tp 2456416.607896048872
(2013-May-04.10789605)
7.2962e-05 JED
period 1275.329735460223
3.49
1.4105e-05
3.862e-08
d
yr
n .2822799390544189 3.1219e-09 deg/d
Q 2.710690087011412 1.9986e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9338 days (25.57 yr)  
   first obs. used      1988-08-19  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53058  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:33:01  

Additional Information
 Earth MOID = .892216 AU 
 T_jup = 3.564 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO250304  

9466 Shishir           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Shishir Hitesh Dholakia (b. 1999) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for his earth and space sciences project. He attends the Marian A. Peterson Middle School, Sunnyvale, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 KR46 = 1988 QM = 1991 LG4 = 1997 EU40 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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