Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ 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 .05367250707888475 3.4778e-08  
a 3.066100049125852 1.9264e-08 au
q 2.901534772534576 1.0992e-07 au
i 10.00873552415239 4.7357e-06 deg
node 161.9308318496945 2.2127e-05 deg
peri 307.082907925113 4.888e-05 deg
M 233.0518912632031 4.3576e-05 deg
tp 2459692.015062702607
(2022-Apr-22.51506270)
0.00023775 TDB
period 1961.001428458301
5.37
1.8481e-05
5.06e-08
d
yr
n .1835796724957129 1.7301e-09 deg/d
Q 3.230665325717129 2.0298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      9784 days (26.79 yr)  
   first obs. used      1993-08-18  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:26:24  

Additional Information
 Earth MOID = 1.93028 au 
 Jupiter MOID = 1.82897 au 
 T_jup = 3.207 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 13:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin