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186142 Gillespie (2001 TO245)
Classification: Main-belt Asteroid          SPK-ID: 2186142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .256226700225353 4.4136e-08  
a 2.785026086903122 1.6449e-08 au
q 2.071428042614408 1.2839e-07 au
i 8.778202478141448 6.0565e-06 deg
node 189.2394571891622 3.0016e-05 deg
peri 282.2711507608419 3.5127e-05 deg
M 330.7167700246127 1.3261e-05 deg
tp 2459338.588911284645
(2021-May-04.08891128)
6.2372e-05 TDB
period 1697.627212034175
4.65
1.504e-05
4.118e-08
d
yr
n .2120606912094861 1.8788e-09 deg/d
Q 3.498624131191837 2.0664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7080 days (19.38 yr)  
   first obs. used      2001-09-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:05  

Additional Information
 Earth MOID = 1.10849 au 
 Jupiter MOID = 1.74634 au 
 T_jup = 3.266 
[ 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 16.73   n/a MPCxxxxx  

186142 Gillespie           Discovered 2001 Oct. 14 by the Sloan Digital Sky Survey at Apache Point.
Bruce Gillespie (b. 1950), is an American astronomer and a contributor to the Sloan Digital Sky Survey. He was the Apache Point Observatory Operations Site Manager and the SDSS-III and -IV Program Manager.
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 2016-11-14Last Updated: 2016-11-20

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