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21428 Junehokim (1998 FR103)
Classification: Main-belt Asteroid          SPK-ID: 2021428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06795089026125035 3.1532e-08  
a 2.246991062660152 7.2337e-09 au
q 2.094306019543322 7.0814e-08 au
i 3.766655911877089 3.539e-06 deg
node 298.0204363614007 5.7235e-05 deg
peri 295.2629637449544 6.3877e-05 deg
M 285.4602232673029 2.9414e-05 deg
tp 2459651.233481495328
(2022-Mar-12.73348150)
0.00010088 TDB
period 1230.270029747643
3.37
5.9409e-06
1.627e-08
d
yr
n .2926186863820819 1.413e-09 deg/d
Q 2.399676105776982 7.7253e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1992-07-26  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:33:05  

Additional Information
 Earth MOID = 1.0864 au 
 Jupiter MOID = 2.59416 au 
 T_jup = 3.624 
[ 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 15.35   n/a E2021B10  

21428 Junehokim           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
June-Ho Kim (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his medicine and health project. He attends the Monta Vista High School, Cupertino, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

Alternate Designations
 1998 FR103 = 1992 OY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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