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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 ]

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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190716239036945 4.3241e-08  
a 3.197190172715431 1.7467e-08 au
q 2.816495546921271 1.439e-07 au
i 1.891835146798815 4.5762e-06 deg
node 159.1457000846603 0.00011636 deg
peri 76.18528504151163 0.00011778 deg
M 340.3591644061192 1.8339e-05 deg
tp 2459114.422259629595
(2020-Sep-21.92225963)
0.00010639 TDB
period 2088.099219130556
5.72
1.7111e-05
4.685e-08
d
yr
n .1724056006064199 1.4128e-09 deg/d
Q 3.577884798509591 1.9546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1816  
   data-arc span      17332 days (47.45 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:22:02  

Additional Information
 Earth MOID = 1.80582 au 
 Jupiter MOID = 1.41933 au 
 T_jup = 3.183 
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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 13.2   n/a MPO299049  

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

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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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