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JPL Small-Body Database Browser
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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05892196308664224 5.4353e-08  
a 2.765109781536273 1.6866e-08 au
q 2.602184085058079 1.5356e-07 au
i 6.127041620557358 5.5826e-06 deg
node 313.1620897184833 3.9654e-05 deg
peri 216.7866905404245 5.3361e-05 deg
M 299.5138864332366 3.6953e-05 deg
tp 2458882.676066026500
(2020-Feb-03.17606603)
0.00017327 TDB
period 1679.449674964061
4.60
1.5366e-05
4.207e-08
d
yr
n .2143559318070688 1.9612e-09 deg/d
Q 2.928035478014467 1.786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1144  
   data-arc span      10783 days (29.52 yr)  
   first obs. used      1989-07-29  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52613  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:14:59  

Additional Information
 Earth MOID = 1.61232 au 
 Jupiter MOID = 2.07049 au 
 T_jup = 3.329 
[ 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 14.1   n/a MPO431639  
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

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