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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367228284345313 3.6766e-08  
a 2.379291518868311 8.7463e-09 au
q 2.053988052738343 8.9463e-08 au
i 5.968678710524367 4.0605e-06 deg
node 169.2508418233503 3.5277e-05 deg
peri 177.1618538653674 3.8019e-05 deg
M 343.5992440975 1.6582e-05 deg
tp 2459061.570471893922
(2020-Jul-31.07047189)
6.1913e-05 TDB
period 1340.509548005704
3.67
7.3916e-06
2.024e-08
d
yr
n .2685545959262859 1.4808e-09 deg/d
Q 2.704594984998278 9.9421e-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 = 1.04698 au 
 Jupiter MOID = 2.70054 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 14.7   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

[ 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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