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4603 Bertaud (1986 WM3)
Classification: Main-belt Asteroid          SPK-ID: 2004603
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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383276605805346 6.0053e-08  
a 2.630818854607595 2.2757e-08 AU
q 2.003821951577806 1.5958e-07 AU
i 12.51530560056891 8.8799e-06 deg
node 338.4607558915251 2.7572e-05 deg
peri 290.36596338 3.3595e-05 deg
M 258.608730106502 2.1825e-05 deg
tp 2457239.468045553407
(2015-Aug-04.96804555)
9.6058e-05 JED
period 1558.600622767826
4.27
2.0223e-05
5.537e-08
d
yr
n .2309764250964415 2.997e-09 deg/d
Q 3.257815757637386 2.8181e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      30594 days (83.76 yr)  
   first obs. used      1930-08-21  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52037  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:29:16  

Additional Information
 Earth MOID = 1.02765 AU 
 T_jup = 3.326 
[ 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 12.2 mag n/a MPO256897  
rotation period rot_per 9.6 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) value is uncertain (e.g., author's best guess); Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

4603 Bertaud (1986 WM3)          Discovered 1986-Nov-25 by CERGA at Caussols
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 WM3 = 1930 QL = 1943 SC = 1977 QK = 1980 BX1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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