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15925 Rokycany (1997 VM6)
Classification: Main-belt Asteroid          SPK-ID: 2015925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240557921688628 3.2145e-08  
a 2.591375254826529 1.052e-08 au
q 2.269900144782235 8.3801e-08 au
i 12.38790030701141 3.7403e-06 deg
node 284.431918897489 2.5784e-05 deg
peri 160.3310933456773 3.7183e-05 deg
M 170.6485640064774 2.674e-05 deg
tp 2458278.239232236503
(2018-Jun-08.73923224)
0.00011158 TDB
period 1523.680424202043
4.17
9.2779e-06
2.54e-08
d
yr
n .2362700171780007 1.4387e-09 deg/d
Q 2.912850364870823 1.1825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1811  
   data-arc span      24116 days (66.03 yr)  
   first obs. used      1954-07-28  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:47  

Additional Information
 Earth MOID = 1.28994 au 
 Jupiter MOID = 2.28813 au 
 T_jup = 3.376 
[ 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 13.1   n/a MPO473980  
diameter diameter 6.435 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.011 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Aznar Macias, A.; Licandro, J.; Serra-Ricart, M. (2019) Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.269   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

15925 Rokycany           Discovered 1997 Nov. 10 by L. Šarounová at Ondřejov.
Rokycany is a town in West Bohemia about which the first written evidence dates from 1110. In 1947 a public observatory was founded there, concentrating on occultation observations, work with youth, teachers and amateur telescope making.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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Alternate Designations
 1997 VM6 = 1988 VE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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