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JPL Small-Body Database Browser
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14143 Hadfield (1998 SQ18)
Classification: Main-belt Asteroid          SPK-ID: 2014143
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373565258674969 3.6713e-08  
a 2.378953705534179 8.5492e-09 au
q 2.052188889342396 8.9367e-08 au
i 5.968216267529866 4.0606e-06 deg
node 169.304905936069 3.5287e-05 deg
peri 177.2865986307266 3.8015e-05 deg
M 236.0642794216313 1.6274e-05 deg
tp 2459061.893432416910
(2020-Jul-31.39343242)		 6.1766e-05 TDB
period 1340.224068532817
3.67		 7.2245e-06
1.978e-08		 d
yr
n .2686118004089441 1.448e-09 deg/d
Q 2.705718521725962 9.7235e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      23567 days (64.52 yr)  
   first obs. used      1954-10-31  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:13:26  

Additional Information
 Earth MOID = 1.0443 au 
 Jupiter MOID = 2.6972 au 
 T_jup = 3.519 
[ 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 14.6   n/a MPO435834  

14143 Hadfield           Discovered 1998 Sept. 18 by Spacewatch at Kitt Peak.
Chris Austin Hadfield (b. 1959), selected as a Canadian astronaut in 1992, flew on space shuttle missions STS-74 and STS-100.
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 SQ18 = 1987 SB7 = 1994 NK2 = 2030 T-1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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