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15911 Davidgauthier (1997 TL21)
Classification: Main-belt Asteroid          SPK-ID: 2015911
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092989461847344 3.2542e-08  
a 2.430949411243704 1.0784e-08 au
q 1.922154261241996 7.9954e-08 au
i 2.137086504254347 5.7352e-06 deg
node 15.1250950046247 0.00010099 deg
peri 274.1662589968873 0.00010214 deg
M 64.52843562290398 1.3828e-05 deg
tp 2458752.351905667426
(2019-Sep-25.85190567)
5.3346e-05 TDB
period 1384.402288655798
3.79
9.2125e-06
2.522e-08
d
yr
n .2600400208450581 1.7304e-09 deg/d
Q 2.939744561245412 1.3042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      9904 days (27.12 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:38  

Additional Information
 Earth MOID = .907331 au 
 Jupiter MOID = 2.24526 au 
 T_jup = 3.476 
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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 16.5   n/a MPO435847  

15911 Davidgauthier           Discovered 1997 Oct. 4 by Spacewatch at Kitt Peak.
David Gauthier (b. 1932) is an influential political philosopher who earned a D.Phil. from the University of Oxford, then was a faculty member at the University of Toronto and, beginning in 1980, at the University of Pittsburgh. The name was suggested by R. Jedicke and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1997 TL21 = 1993 SA13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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