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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06805127793430597 3.1744e-08  
a 2.246927658966945 7.2301e-09 au
q 2.094021360348306 7.1277e-08 au
i 3.766885381181794 3.5402e-06 deg
node 298.0209624116156 5.7758e-05 deg
peri 295.2663061635283 6.4351e-05 deg
M 228.1128757730248 2.9344e-05 deg
tp 2459651.194190716099
(2022-Mar-12.69419072)
0.0001009 TDB
period 1230.217958036348
3.37
5.9379e-06
1.626e-08
d
yr
n .2926310721188184 1.4124e-09 deg/d
Q 2.399833957585584 7.7221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1992-07-26  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:52:33  

Additional Information
 Earth MOID = 1.08438 au 
 Jupiter MOID = 2.59514 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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