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JPL Small-Body Database Browser
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20307 Johnbarnes (1998 FH106)
Classification: Main-belt Asteroid          SPK-ID: 2020307
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060621208913197 4.7309e-08  
a 2.462373953509662 1.0808e-08 au
q 2.201209349572883 1.1316e-07 au
i 4.174664104147179 3.5982e-06 deg
node 287.5876794437171 6.1989e-05 deg
peri 89.42182559116583 6.4516e-05 deg
M 334.1116964227596 1.6908e-05 deg
tp 2458701.991701092432
(2019-Aug-06.49170109)
6.6237e-05 TDB
period 1411.332816160152
3.86
9.292e-06
2.544e-08
d
yr
n .2550780339533668 1.6794e-09 deg/d
Q 2.723538557446441 1.1954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      14364 days (39.33 yr)  
   first obs. used      1980-08-06  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:58  

Additional Information
 Earth MOID = 1.20659 au 
 Jupiter MOID = 2.73535 au 
 T_jup = 3.478 
[ 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 15.0   n/a MPO502320  

20307 Johnbarnes           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
John Barnes mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Maggie L. Walker Governor's School, Richmond, Virginia.
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 FH106 = 1980 PX1 = 1999 NR26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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