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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226349581278701 1.8811e-08  
a 2.592748663273521 1.0608e-08 au
q 2.274787039516882 4.8576e-08 au
i 12.37252221048028 4.525e-07 deg
node 284.4029760829748 4.6457e-06 deg
peri 160.6917727355608 1.2736e-05 deg
M 263.6741391800853 1.2656e-05 deg
tp 2459804.518122809842
(2022-Aug-13.01812281)
5.4909e-05 TDB
period 1524.891892595216
4.17
9.3581e-06
2.562e-08
d
yr
n .2360823096693861 1.4488e-09 deg/d
Q 2.91071028703016 1.1908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1947  
   data-arc span      24439 days (66.91 yr)  
   first obs. used      1954-07-28  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:58:02  

Additional Information
 Earth MOID = 1.29475 au 
 Jupiter MOID = 2.28896 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.09   n/a MPO614063  
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. 2020-October); Warner et al., 2009 Published Reference List:
[Aznar, A.M.; Licandro, J.; Serra-Ricart, M. (2019) Minor Planet Bull. 46, 395-399.]
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

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