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JPL Small-Body Database Browser
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201204 Stevewilliams (2002 PZ148)
Classification: Main-belt Asteroid          SPK-ID: 2201204
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06562870866053767 6.5406e-08  
a 3.052473962860283 3.5095e-08 au
q 2.852144038457849 2.0154e-07 au
i 1.611372692261317 6.7929e-06 deg
node 269.2488931429974 0.00029051 deg
peri 54.78509400342437 0.00029648 deg
M 54.08575441847874 5.9476e-05 deg
tp 2458307.844446216849
(2018-Jul-08.34444622)
0.00032105 TDB
period 1947.943603536735
5.33
3.3594e-05
9.198e-08
d
yr
n .1848102785657527 3.1873e-09 deg/d
Q 3.252803887262718 3.7399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6324 days (17.31 yr)  
   first obs. used      2002-08-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:34:27  

Additional Information
 Earth MOID = 1.8393 au 
 Jupiter MOID = 1.96587 au 
 T_jup = 3.233 
[ 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 16.6   n/a MPO454423  

201204 Stevewilliams           Discovered 2002 Aug. 10 by M. W. Buie at Cerro Tololo.
Stephen P. Williams (b. 1953) is a software engineer at the Johns Hopkins University Applied Physics Laboratory. He served as the Command and Data Handling Engineering Lead for the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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