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16497 Toinevermeylen (1990 SU8)
Classification: Main-belt Asteroid          SPK-ID: 2016497
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082251715285569 4.7333e-08  
a 2.207669442908004 1.3112e-08 AU
q 1.747977094480131 1.0262e-07 AU
i 6.410061470350464 6.0607e-06 deg
node 154.0425390283486 4.917e-05 deg
peri 142.2642747931093 5.1626e-05 deg
M 183.0719634998547 1.8752e-05 deg
tp 2457589.335050658545
(2016-Jul-19.83505066)
6.5623e-05 JED
period 1198.117734364289
3.28
1.0674e-05
2.922e-08
d
yr
n .300471305677662 2.6769e-09 deg/d
Q 2.667361791335877 1.5843e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      12214 days (33.44 yr)  
   first obs. used      1980-08-04  
   last obs. used      2014-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:58:46  

Additional Information
 Earth MOID = .738707 AU 
 T_jup = 3.623 
[ 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 14.2 mag n/a MPO272719  

16497 Toinevermeylen           Discovered 1990 Sept. 22 by E. W. Elst at the European Southern Observatory.
Antoine (Toine) Vermeylen (1937-2012) was a good friend of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 1990 SU8 = 1980 PD4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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