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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923885462473582 3.6797e-08  
a 3.151596459200162 1.5694e-08 au
q 2.545265398056322 1.1641e-07 au
i 6.930237577305423 3.6306e-06 deg
node 103.0874331142279 3.3755e-05 deg
peri 237.5229877460125 3.4855e-05 deg
M 114.7105856846027 8.8564e-06 deg
tp 2458349.328582942765
(2018-Aug-18.82858294)
5.0409e-05 TDB
period 2043.592653123995
5.60
1.5265e-05
4.179e-08
d
yr
n .1761603514524658 1.3159e-09 deg/d
Q 3.757927520344003 1.8714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3497  
   data-arc span      12521 days (34.28 yr)  
   first obs. used      1985-10-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:25:49  

Additional Information
 Earth MOID = 1.54489 au 
 Jupiter MOID = 1.66993 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456507.5 (2013-Aug-03.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910210764627999 3.6581e-08  
q 2.547038221082522 1.1513e-07 au
tp 2456283.923240662960
(2012-Dec-22.42324066)
5.344e-05 TDB
node 103.7085480582369 3.3329e-05 deg
peri 233.951060394531 3.4583e-05 deg
i 6.973170851923582 3.6564e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3497  
   data-arc span      12521 days (34.28 yr)  
   first obs. used      1985-10-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:25:49  

Additional Information
 Jupiter MOID = 1.66993 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.338141922268034E-15 -4.188899339036109E-15 -1.579804648329522E-14 4.318211376465674E-15 -1.098334071607254E-14 1.282720003048486E-16
q -4.188899339036109E-15 1.325384586036126E-14 -8.044127511184715E-14 -1.522294767975067E-14 1.793449789282695E-14 3.283640177666276E-16
tp -1.579804648329522E-14 -8.044127511184715E-14 2.855863905173237E-9 -2.129345117026854E-11 5.24989090156103E-10 1.229384967575727E-12
node 4.318211376465674E-15 -1.522294767975067E-14 -2.129345117026854E-11 1.110824576500724E-9 -1.105308374711565E-9 1.919870018305671E-11
peri -1.098334071607254E-14 1.793449789282695E-14 5.24989090156103E-10 -1.105308374711565E-9 1.196016015855834E-9 -1.890161853949586E-11
i 1.282720003048486E-16 3.283640177666276E-16 1.229384967575727E-12 1.919870018305671E-11 -1.890161853949586E-11 1.336946888646527E-11

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)  
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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