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4089 Galbraith (1986 JG)
Classification: Main-belt Asteroid          SPK-ID: 2004089
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131748001217511 5.1096e-08  
a 2.18575835612857 1.237e-08 AU
q 1.897789061564159 1.0895e-07 AU
i 1.144060464931516 5.5818e-06 deg
node 316.6789565957188 0.00024878 deg
peri 321.3693193465055 0.00024996 deg
M 268.1244183340153 2.8445e-05 deg
tp 2457301.730712323636
(2015-Oct-06.23071232)
9.4544e-05 JED
period 1180.325114356886
3.23
1.002e-05
2.743e-08
d
yr
n .3050007117709684 2.5892e-09 deg/d
Q 2.473727650692982 1.4e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      22866 days (62.60 yr)  
   first obs. used      1951-08-11  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:58:19  

Additional Information
 Earth MOID = .882918 AU 
 T_jup = 3.665 
[ 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 13.0 mag n/a MPO240227  
rotation period rot_per 4.9123 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Polishook, D.; Brosch, N. (2008) ACM 2008 poster.]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

4089 Galbraith           Discovered 1986 May 2 at Palomar.
Harvard University economist and polemicist John Kenneth Galbraith (1908-2006), renowned for his use of irony and for stressing the human element in the study of economics, rejected "the conventional wisdom" (a term introduced in his 1958 best-seller The Affluent Society) and the idea that economics is a "science".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1986 JG = 1974 WO = 1976 GH4 = 1977 TR7 = 1982 AM 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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