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7391 Strouhal (1983 VS1)
Classification: Main-belt Asteroid          SPK-ID: 2007391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143523262805951 3.468e-08  
a 2.629832013644601 9.7982e-09 au
q 2.066121403792699 9.2222e-08 au
i 5.042568983390865 5.9434e-06 deg
node 15.89550732941937 4.0732e-05 deg
peri 79.65096178606335 4.3197e-05 deg
M 176.0911690090288 1.3468e-05 deg
tp 2458238.551682365944
(2018-Apr-30.05168237)
5.699e-05 TDB
period 1557.723739878152
4.26
8.7056e-06
2.383e-08
d
yr
n .2311064476863913 1.2916e-09 deg/d
Q 3.193542623496502 1.1898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      23986 days (65.67 yr)  
   first obs. used      1953-10-31  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:28:21  

Additional Information
 Earth MOID = 1.0899 au 
 Jupiter MOID = 2.02105 au 
 T_jup = 3.362 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO435769  
diameter diameter 6.106 km 1.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.109   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

7391 Strouhal           Discovered 1983 Nov. 8 by A. Mrkos at Klet.
Named in memory of Vincenc Strouhal (1850-1922), professor of experimental physics. He founded and built up the Institute of Physics of the Czech part of Charles University (1907). Name suggested by J. Ticha and M. Šolc.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1983 VS1 = 1972 GS1 = 1979 YX9 = 1993 CR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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