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JPL Small-Body Database Browser
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10728 Vladimirfock (1987 RT5)
Classification: Main-belt Asteroid          SPK-ID: 2010728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183731169315097 3.9245e-08  
a 2.131095056599559 6.4107e-09 au
q 1.739546469928899 8.3518e-08 au
i 3.007133378165511 3.5817e-06 deg
node 119.389021836196 7.5149e-05 deg
peri 195.0929367753968 7.589e-05 deg
M 87.10372336569301 9.9546e-06 deg
tp 2458325.560664611758
(2018-Jul-26.06066461)
3.1581e-05 TDB
period 1136.325255858705
3.11
5.1274e-06
1.404e-08
d
yr
n .3168107002320855 1.4295e-09 deg/d
Q 2.522643643270218 7.5885e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2052  
   data-arc span      13590 days (37.21 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:08:17  

Additional Information
 Earth MOID = .725017 au 
 Jupiter MOID = 2.74633 au 
 T_jup = 3.698 
[ 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 14.7   n/a MPO395104  
diameter diameter 3.214 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10728 Vladimirfok           Discovered 1987 Sept. 4 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Vladimir Alexandrovich Fok (1898-1974) was an outstanding Russian physicist, author of classical works in quantum mechanics and electrodynamics, general relativity, propagation of radio waves and of numerous works in mathematical physics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1987 RT5 = 1981 UQ23 = 1981 WN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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