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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538151963898707 5.7146e-08  
a 2.192726050642383 8.1949e-09 au
q 1.855451462533639 1.2506e-07 au
i 2.591131901931296 4.483e-06 deg
node 323.2996621451391 0.00011233 deg
peri 64.7989882354323 0.00011323 deg
M 295.5480785576181 1.4091e-05 deg
tp 2459212.828533195468
(2020-Dec-29.32853320)
4.6771e-05 TDB
period 1185.973516999057
3.25
6.6485e-06
1.82e-08
d
yr
n .3035480934776101 1.7017e-09 deg/d
Q 2.530000638751126 9.4553e-09 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:28:17  

Additional Information
 Earth MOID = .861785 au 
 Jupiter MOID = 2.91482 au 
 T_jup = 3.655 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456829.5 (2014-Jun-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537562282254564 5.7025e-08  
q 1.8550586202732 1.2484e-07 au
tp 2456841.593985404983
(2014-Jul-03.09398540)
4.4701e-05 TDB
node 323.3838504117055 0.00011233 deg
peri 64.77429800512699 0.00011323 deg
i 2.591908724634402 4.4822e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:28:17  

Additional Information
 Jupiter MOID = 2.91482 au 
 T_jup = 3.655 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.251820401275094E-15 -7.108543092677813E-15 -5.977917091961118E-14 -2.78615025106564E-15 -1.516264381752186E-13 -3.86323392172612E-15
q -7.108543092677813E-15 1.558625691688785E-14 1.370507811029302E-13 7.261934527823541E-15 3.304455785082863E-13 8.549831408849962E-15
tp -5.977917091961118E-14 1.370507811029302E-13 1.998147044629478E-9 -7.318095194809554E-12 6.523630863423465E-10 -6.215077852798529E-13
node -2.78615025106564E-15 7.261934527823541E-15 -7.318095194809554E-12 1.261777723439544E-8 -1.260704303799991E-8 5.9823718024004E-11
peri -1.516264381752186E-13 3.304455785082863E-13 6.523630863423465E-10 -1.260704303799991E-8 1.282189703522084E-8 -5.983194299388103E-11
i -3.86323392172612E-15 8.549831408849962E-15 -6.215077852798529E-13 5.9823718024004E-11 -5.983194299388103E-11 2.009023902549168E-11

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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