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11948 Justinehenin (1993 QQ4)
Classification: Main-belt Asteroid          SPK-ID: 2011948
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190716246689864 4.3174e-08  
a 3.197190172527682 1.74e-08 au
q 2.816495544309094 1.4362e-07 au
i 1.891835238702838 4.548e-06 deg
node 159.1457003565473 0.00011634 deg
peri 76.18528443096719 0.00011775 deg
M 340.3591648350289 1.8201e-05 deg
tp 2459114.422257131766
(2020-Sep-21.92225713)		 0.00010558 TDB
period 2088.099218946626
5.72		 1.7046e-05
4.667e-08		 d
yr
n .1724056006216062 1.4074e-09 deg/d
Q 3.577884800746271 1.9472e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      17390 days (47.61 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:11  

Additional Information
 Earth MOID = 1.80582 au 
 Jupiter MOID = 1.41933 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456864.5 (2014-Jul-26.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118216718643879 4.3336e-08  
q 2.819751513750761 1.4404e-07 au
tp 2457020.341845585428
(2014-Dec-28.84184559)		 0.00010672 TDB
node 159.1651289105718 0.00011639 deg
peri 75.49328027883897 0.0001178 deg
i 1.891149100399042 4.5472e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      17390 days (47.61 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:11  

Additional Information
 Jupiter MOID = 1.41933 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.877997977570052E-15 -6.21049498917951E-15 -1.905261441498593E-12 8.78666490695604E-15 -2.874320002543658E-13 -9.173871126487189E-17
q -6.21049498917951E-15 2.074876873934899E-14 5.863218174904884E-12 -2.601531384680351E-14 8.671281121420421E-13 1.080681722962179E-15
tp -1.905261441498593E-12 5.863218174904884E-12 1.138938772833037E-8 -1.588787005240229E-11 1.959107142846317E-9 -2.487152186012301E-13
node 8.78666490695604E-15 -2.601531384680351E-14 -1.588787005240229E-11 1.354738308297556E-8 -1.354188836975233E-8 1.910274262212849E-10
peri -2.874320002543658E-13 8.671281121420421E-13 1.959107142846317E-9 -1.354188836975233E-8 1.387683428919909E-8 -1.90909234872075E-10
i -9.173871126487189E-17 1.080681722962179E-15 -2.487152186012301E-13 1.910274262212849E-10 -1.90909234872075E-10 2.067715100046867E-11

[ 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 13.27   n/a E2021B10  

11948 Justinehénin           Discovered 1993 Aug. 18 by E. W. Elst at Caussols.
Justine Hénin (b. 1982) is a famous Belgian tennis player.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1993 QQ4 = 1973 AE3 = 1991 EJ8 = 1997 GW24 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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