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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079798976747235 4.7173e-08  
a 2.206849126143012 1.2652e-08 au
q 1.747868870704235 1.0241e-07 au
i 6.413210584611683 5.7011e-06 deg
node 154.0355105552107 4.162e-05 deg
peri 142.4836854168388 4.3955e-05 deg
M 302.993876986216 1.9078e-05 deg
tp 2457590.116618081454
(2016-Jul-20.61661808)
6.4628e-05 JED
period 1197.450008884448
3.28
1.0298e-05
2.819e-08
d
yr
n .3006388553417593 2.5854e-09 deg/d
Q 2.665829381581788 1.5283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      12707 days (34.79 yr)  
   first obs. used      1980-08-04  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53276  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:26:33  

Additional Information
 Earth MOID = .735618 au 
 Jupiter MOID = 2.55192 au 
 T_jup = 3.624 
[ 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 14.3 mag n/a MPO337398  
rotation period rot_per 2.7606 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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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