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21507 Bhasin (1998 KZ30)
Classification: Main-belt Asteroid          SPK-ID: 2021507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1572284215379555 3.5342e-08  
a 2.425749664078758 9.8233e-09 au
q 2.044352873349429 8.7666e-08 au
i 1.902001534903189 3.9383e-06 deg
node 209.3574789460928 0.00012341 deg
peri 59.59864817925926 0.00012424 deg
M 327.6284584238475 1.7025e-05 deg
tp 2459324.587569333715
(2021-Apr-20.08756933)
6.5631e-05 TDB
period 1379.962855801904
3.78
8.3824e-06
2.295e-08
d
yr
n .2608765869939319 1.5847e-09 deg/d
Q 2.807146454808087 1.1368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      9528 days (26.09 yr)  
   first obs. used      1994-04-06  
   last obs. used      2020-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:56:37  

Additional Information
 Earth MOID = 1.02731 au 
 Jupiter MOID = 2.27869 au 
 T_jup = 3.493 
[ 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 15.33   n/a E2020-QM5  
diameter diameter 1.944 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.389   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21507 Bhasin           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jeffrey M. Bhasin (b. 1986) was awarded first place and Best in Category in the 2005 Intel International Science and Engineering Fair for his medicine and health project. He attends the Rocky River High School, Rocky River, Ohio, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

[ show close-approach data ]
Alternate Designations
 1998 KZ30 = 1994 GS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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