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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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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367228457837796 3.3515e-08  
a 2.379291520200566 5.8297e-09 au
q 2.053988012609529 7.9668e-08 au
i 5.968676955722123 3.8371e-06 deg
node 169.2508570483625 2.5634e-05 deg
peri 177.1618647270137 2.7984e-05 deg
M 343.5992210574626 1.0257e-05 deg
tp 2459061.570557737967
(2020-Jul-31.07055774)
3.8166e-05 TDB
period 1340.509549131606
3.67
4.9267e-06
1.349e-08
d
yr
n .2685545957007252 9.8701e-10 deg/d
Q 2.704595027791602 6.6267e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      24100 days (65.98 yr)  
   first obs. used      1954-10-31  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:41:51  

Additional Information
 Earth MOID = 1.04698 au 
 Jupiter MOID = 2.70054 au 
 T_jup = 3.519 
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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 MPO473958  

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

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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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