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8557 Saroun (1995 OK)
Classification: Main-belt Asteroid          SPK-ID: 2008557
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404988046069124 5.4542e-08  
a 2.306441395964439 1.3757e-08 au
q 1.982389136935537 1.2458e-07 au
i 6.960209428608612 5.5616e-06 deg
node 124.9444572999337 4.7009e-05 deg
peri 204.7724957666688 5.2345e-05 deg
M 340.8772994660879 2.6595e-05 deg
tp 2457668.460847532726
(2016-Oct-06.96084753)
9.4891e-05 JED
period 1279.416841172289
3.50
1.1447e-05
3.134e-08
d
yr
n .2813781938888215 2.5175e-09 deg/d
Q 2.630493654993342 1.569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      8288 days (22.69 yr)  
   first obs. used      1992-10-26  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59863  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:25:06  

Additional Information
 Earth MOID = .972542 au 
 Jupiter MOID = 2.67972 au 
 T_jup = 3.565 
[ 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 15.0 mag n/a MPO279605  

8557 Šaroun           Discovered 1995 July 23 by L. Sarounova at Ondrejov.
Named in honor of the discoverer's father, Jaroslav Šaroun (b. 1943). A teacher at the Prague Academy of Musical Arts and a member of the Czech Philharmonic Orchestra, he is a pianist who is always in great demand as an accompanist for Czech and foreign singers. As a lover of astronomy, he influenced and supported his daughter in her desire to become an astronomer. This minor planet was discovered on the day after his birthday.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980808/MPCPages.arcLast Updated: 2009-11-17

[ show close-approach data ]
Alternate Designations
 1995 OK = 1994 CQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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