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11963 Ignace (1994 PO16)
Classification: Main-belt Asteroid          SPK-ID: 2011963
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05848281992985098 5.028e-08  
a 2.764103029061762 1.3387e-08 au
q 2.602450489345587 1.3816e-07 au
i 6.127864543576507 5.0075e-06 deg
node 313.1629890460475 3.8477e-05 deg
peri 216.95095021 4.9761e-05 deg
M 68.01907399211633 3.0628e-05 deg
tp 2458883.354917665667
(2020-Feb-03.85491767)		 0.00014279 TDB
period 1678.53254887876
4.60		 1.2194e-05
3.339e-08		 d
yr
n .2144730528106087 1.5581e-09 deg/d
Q 2.925755568777937 1.417e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      11274 days (30.87 yr)  
   first obs. used      1989-07-29  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:06  

Additional Information
 Earth MOID = 1.61175 au 
 Jupiter MOID = 2.07026 au 
 T_jup = 3.329 
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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 14.21   n/a E2021B10  
diameter diameter 8.257 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11963 Ignace           Discovered 1994 Aug. 10 by E. W. Elst at the European Southern Observatory.
Ignace Van der Gucht (b. 1959) is a graduate in electronics and chief of construction at the Royal Observatory at Uccle, where he places his abilities at the disposal of his colleagues, particularly when they have problems with configuring and upgrading their computers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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