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9631 Hubertreeves (1993 SL6)
Classification: Main-belt Asteroid          SPK-ID: 2009631
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06920105020669903 5.7157e-08  
a 2.826257334630716 2.4926e-08 AU
q 2.630677358919885 1.5861e-07 AU
i 2.052619715335864 6.5386e-06 deg
node 174.7357466352291 0.00016204 deg
peri 222.4048742582573 0.00016954 deg
M 138.8308830610635 4.7983e-05 deg
tp 2456331.232762150144
(2013-Feb-07.73276215)
0.00023172 JED
period 1735.465483713552
4.75
2.2958e-05
6.286e-08
d
yr
n .2074371420108405 2.7442e-09 deg/d
Q 3.021837310341548 2.665e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      12609 days (34.52 yr)  
   first obs. used      1979-11-17  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51318  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:43:01  

Additional Information
 Earth MOID = 1.63768 AU 
 T_jup = 3.311 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO279617  

9631 Hubertreeves           Discovered 1993 Sept. 17 by E. W. Elst at the European Southern Observatory.
Hubert Reeves, a professional astronomer at the French CNRS, has become known worldwide for his popularization of astronomy through his many books and lectures on radio and television.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1993 SL6 = 1979 WJ6 = 1988 RW7 = 1995 AT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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