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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07512467618484894 3.6212e-08  
a 2.876770003064793 1.5179e-08 au
q 2.660653588126264 1.0284e-07 au
i .7950671932803329 4.2099e-06 deg
node 294.4367271996547 0.00037253 deg
peri 145.8675766669667 0.00037438 deg
M 110.1193611885527 3.7802e-05 deg
tp 2458455.348361425963
(2018-Dec-02.84836143)
0.0001857 TDB
period 1782.198768394733
4.88
1.4106e-05
3.862e-08
d
yr
n .201997670733585 1.5988e-09 deg/d
Q 3.092886418003323 1.632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-10-12  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:41:42  

Additional Information
 Earth MOID = 1.67639 au 
 Jupiter MOID = 2.0728 au 
 T_jup = 3.292 
[ 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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