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21435 Aharon (1998 FH116)
Classification: Main-belt Asteroid          SPK-ID: 2021435
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04767077049772899 2.6957e-08  
a 2.296956140719803 7.1386e-09 au
q 2.1874584716922 6.5219e-08 au
i 3.552800595403294 3.1253e-06 deg
node 302.4953070601538 5.2939e-05 deg
peri 118.9569157521827 6.7736e-05 deg
M 314.5256818097486 4.2102e-05 deg
tp 2459361.116876630686
(2021-May-26.61687663)
0.00014892 TDB
period 1271.532546021606
3.48
5.9276e-06
1.623e-08
d
yr
n .2831229142552226 1.3199e-09 deg/d
Q 2.406453809747406 7.4789e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      9850 days (26.97 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:52:36  

Additional Information
 Earth MOID = 1.20213 au 
 Jupiter MOID = 2.72055 au 
 T_jup = 3.590 
[ 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 15.38   n/a E2021B10  

21435 Aharon           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Terri Aharon mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Hunter College High School, New York, New York.
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

[ show close-approach data ]
Alternate Designations
 1998 FH116 = 1999 RL118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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