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15902 Dostal (1997 RA9)
Classification: Main-belt Asteroid          SPK-ID: 2015902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0955260645338442 3.1419e-08  
a 2.262582750217023 6.9552e-09 au
q 2.046447124406629 7.3229e-08 au
i 5.671991794219717 3.1138e-06 deg
node 179.132391184645 3.0677e-05 deg
peri 194.9846267339343 3.458e-05 deg
M 300.9072985863237 1.7054e-05 deg
tp 2459404.549943048231
(2021-Jul-09.04994305)
5.9276e-05 TDB
period 1243.097332496669
3.40
5.732e-06
1.569e-08
d
yr
n .2895992056205017 1.3354e-09 deg/d
Q 2.478718376027417 7.6197e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1979  
   data-arc span      10955 days (29.99 yr)  
   first obs. used      1990-08-22  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:11  

Additional Information
 Earth MOID = 1.0456 au 
 Jupiter MOID = 2.90704 au 
 T_jup = 3.606 
[ show covariance matrix ]

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 14.99   n/a E2021B10  
rotation period rot_per 5.5766 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

15902 Dostál           Discovered 1997 Sept 13 by L. Šarounová at Ondřejov.
Czech globetrotter Víťa Dostál (b. 1959) became a legend as the first person in his country to cycle alone 60~000 km around the world. He described the 1994-1997 adventure in Lucky Planet. A professional farmer, during 2006-2007 he made the Panamericana solo bike tour from Anchorage to Ushuaia in 223 days.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

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Alternate Designations
 1997 RA9 = 1990 QA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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