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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07832733947189868 3.6594e-08  
a 2.201884225115306 7.9992e-09 au
q 2.029416491936881 8.4575e-08 au
i 3.934266190588528 3.441e-06 deg
node 133.9534520539309 6.8196e-05 deg
peri 322.6270273176011 7.587e-05 deg
M 62.7024045070519 3.2359e-05 deg
tp 2458992.639560296515
(2020-May-23.13956030)
0.00010699 TDB
period 1193.411303466663
3.27
6.5033e-06
1.781e-08
d
yr
n .3016562680060592 1.6438e-09 deg/d
Q 2.374351958293731 8.6258e-09 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1995-06-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:28  

Additional Information
 Earth MOID = 1.04766 au 
 Jupiter MOID = 2.71783 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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