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6379 Vrba (1987 VA1)
Classification: Main-belt Asteroid          SPK-ID: 2006379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07841118087800381 5.418e-08  
a 2.988294050761333 2.0053e-08 au
q 2.753978385430424 1.624e-07 au
i 13.90619335640253 5.8144e-06 deg
node 31.81615942547124 1.845e-05 deg
peri 174.2725601461549 3.8066e-05 deg
M 242.9040486824272 3.6584e-05 deg
tp 2459214.223567217317
(2020-Dec-30.72356722)
0.00019463 TDB
period 1886.832821393007
5.17
1.8993e-05
5.2e-08
d
yr
n .1907959178567924 1.9205e-09 deg/d
Q 3.222609716092242 2.1626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1693  
   data-arc span      31408 days (85.99 yr)  
   first obs. used      1933-04-24  
   last obs. used      2019-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45796  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:44:14  

Additional Information
 Earth MOID = 1.74975 au 
 Jupiter MOID = 1.73817 au 
 T_jup = 3.208 
[ 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 11.6   n/a MPO350853  
diameter diameter 15.158 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.11 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Addleman, D.; Covele, B.; Duncan, A.; Johnson, J.; et al. (2005) Minor Planet Bull. 32, 76-78.]
geometric albedo albedo 0.176   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

6379 Vrba           Discovered 1987 Nov. 15 by A. Mrkos at Klet.
Karel Vrba (1845-1922) was professor of mineralogy at Charles University in Prague and founder of the mineralogical collections in the National Museum of Prague, including meteorites. The name was 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: 20000726/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1987 VA1 = 1933 HC = 1951 WZ = 1971 TB1 = 1974 FU1 = 1984 DR1 = 1987 WD4 = 1989 AB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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