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85197 Ginkgo (1991 TG5)
Classification: Main-belt Asteroid          SPK-ID: 2085197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

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 two-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.

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538152178993036 4.5277e-08  
a 2.192726052625341 7.4761e-09 au
q 1.855451417047295 1.011e-07 au
i 2.591131131615853 4.4614e-06 deg
node 323.2995786346343 9.4063e-05 deg
peri 64.79907134447541 9.5122e-05 deg
M 295.5480766191308 1.3606e-05 deg
tp 2459212.828539869589
(2020-Dec-29.32853987)
4.5054e-05 TDB
period 1185.973518607833
3.25
6.0653e-06
1.661e-08
d
yr
n .3035480930658465 1.5524e-09 deg/d
Q 2.530000688203388 8.626e-09 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      10527 days (28.82 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = .861785 au 
 Jupiter MOID = 2.91482 au 
 T_jup = 3.655 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO474738  

85197 Ginkgo           Discovered 1991 Oct. 5 by F. Börngen and L. D. Schmadel at Tautenburg.
The tree Ginkgo biloba, in German also named "Goethe Baum", is a living fossil, unchanged since the Permian period some 270 million years ago. The attractive Ginkgoes have fan-shaped leaves, can reach a height of 40 meters and are popular in Chinese and Japanese temple gardens and elsewhere.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

Alternate Designations
 1991 TG5 = 1994 RH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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