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7278 Shtokolov (1985 UW4)
Classification: Main-belt Asteroid          SPK-ID: 2007278
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925035047840928 1.655e-08  
a 3.151611472095709 1.3785e-08 au
q 2.54491521799953 5.4425e-08 au
i 6.92989551763509 1.0985e-06 deg
node 103.0860664154366 5.3954e-06 deg
peri 237.5550723327812 7.3464e-06 deg
M 149.8918174894308 7.1672e-06 deg
tp 2458349.611095156819
(2018-Aug-19.11109516)
3.8806e-05 TDB
period 2043.607255380332
5.60
1.3408e-05
3.671e-08
d
yr
n .176159092727923 1.1558e-09 deg/d
Q 3.758307726191887 1.6439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3818  
   data-arc span      12926 days (35.39 yr)  
   first obs. used      1985-10-22  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:33:46  

Additional Information
 Earth MOID = 1.54271 au 
 Jupiter MOID = 1.67007 au 
 T_jup = 3.167 
[ 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 12.4   n/a MPO502222  
diameter diameter 19.567 km 0.387 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 170.949 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.]
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7278 Shtokolov           Discovered 1985 Oct. 22 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Boris Timofeevich Shtokolov (b. 1930), is a Russian singer, actor and bass soloist for the Mariinskij Theatre in St. Petersburg.
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
 1985 UW4 = 1990 QR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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