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JPL Small-Body Database Browser
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14163 Johnchapman (1998 TY20)
Classification: Main-belt Asteroid          SPK-ID: 2014163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07524188443489206 4.1085e-08  
a 2.877856806189001 1.7187e-08 au
q 2.66132143695756 1.206e-07 au
i .7949808531512375 4.8982e-06 deg
node 294.4315710070294 0.00037742 deg
peri 146.1524218103708 0.0003793 deg
M 29.06137738644899 3.7631e-05 deg
tp 2458456.548600443038
(2018-Dec-04.04860044)
0.00018607 TDB
period 1783.208798102965
4.88
1.5975e-05
4.374e-08
d
yr
n .2018832569595773 1.8085e-09 deg/d
Q 3.094392175420441 1.848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      9277 days (25.40 yr)  
   first obs. used      1993-10-12  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:25:48  

Additional Information
 Earth MOID = 1.67698 au 
 Jupiter MOID = 2.07195 au 
 T_jup = 3.291 
[ 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 14.7   n/a MPO337378  

14163 Johnchapman           Discovered 1998 Oct. 13 by Spacewatch at Kitt Peak.
John Herbert Chapman (1921-1979) began his career researching radio propagation and the ionosphere. He worked on the Alouette, ISIS and Hermes satellite projects and was known as the "Father of the Canadian Space Program".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1998 TY20 = 1996 HP13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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