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JPL Small-Body Database Browser
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20282 Hedberg (1998 FT51)
Classification: Main-belt Asteroid          SPK-ID: 2020282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07818639295480158 3.9806e-08  
a 2.201534966414668 8.4875e-09 au
q 2.029404888426835 9.2295e-08 au
i 3.934112751286898 3.5264e-06 deg
node 133.9581197817826 6.9226e-05 deg
peri 322.8436088519226 7.6894e-05 deg
M 241.4861694057309 3.2251e-05 deg
tp 2458993.283597161833
(2020-May-23.78359716)
0.00010737 TDB
period 1193.127369769598
3.27
6.8997e-06
1.889e-08
d
yr
n .3017280544570182 1.7449e-09 deg/d
Q 2.373665044402502 9.1511e-09 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      8945 days (24.49 yr)  
   first obs. used      1995-06-03  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:58  

Additional Information
 Earth MOID = 1.04795 au 
 Jupiter MOID = 2.71994 au 
 T_jup = 3.657 
[ 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 15.8   n/a MPO279726  

20282 Hedberg           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Herbert Mason Hedberg (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his biochemistry project. He attends the North Attleboro High School, North Attleboro, Massachusetts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

[ show close-approach data ]
Alternate Designations
 1998 FT51 = 1996 TV39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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