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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177988947298483 6.1506e-08  
a 2.301322199789201 1.5336e-08 au
q 1.891712284054091 1.3958e-07 au
i 5.500683377778328 6.463e-06 deg
node 201.1630674567193 5.7407e-05 deg
peri 167.5454609899461 5.9675e-05 deg
M 277.8140518443961 2.1941e-05 deg
tp 2457691.611683861207
(2016-Oct-30.11168386)
7.9521e-05 JED
period 1275.15966587883
3.49
1.2747e-05
3.49e-08
d
yr
n .2823175870700794 2.8221e-09 deg/d
Q 2.71093211552431 1.8066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      9770 days (26.75 yr)  
   first obs. used      1988-08-19  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:05:34  

Additional Information
 Earth MOID = .889746 au 
 Jupiter MOID = 2.74971 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 14.2 mag n/a MPO324396  

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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