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JPL Small-Body Database Browser
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12354 Hemmerechts (1993 QD3)
Classification: Main-belt Asteroid          SPK-ID: 2012354
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05209084902854844 3.48e-08  
a 3.070884850906733 2.0125e-08 au
q 2.910919851754094 1.1006e-07 au
i 9.997125587477496 4.7756e-06 deg
node 162.0060635223354 2.2495e-05 deg
peri 306.4205407284125 5.1104e-05 deg
M 160.3118738062469 4.5677e-05 deg
tp 2457725.200028176260
(2016-Dec-02.70002818)
0.00024978 TDB
period 1965.59357940876
5.38
1.9323e-05
5.29e-08
d
yr
n .1831507814083754 1.8005e-09 deg/d
Q 3.230849850059373 2.1174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1484  
   data-arc span      9121 days (24.97 yr)  
   first obs. used      1993-08-18  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:16:55  

Additional Information
 Earth MOID = 1.94017 au 
 Jupiter MOID = 1.82957 au 
 T_jup = 3.205 
[ 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 13.2   n/a MPO347622  

12354 Hemmerechts           Discovered 1993 Aug. 18 by E. W. Elst at Caussols.
Kristien Hemmerechts (b. 1955) is a Flemish author well-known for her emancipated novels. In 1990 she was awarded with the triennial prize of the Flemish Community. Wit Zand ("White Sand"), a novel written in 1992, takes place in the small French sea resort Wissant, near the English Channel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

[ show close-approach data ]
Alternate Designations
 1993 QD3 = 1996 DN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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