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12979 Evgalvasil'ev (1978 SB8)
Classification: Main-belt Asteroid          SPK-ID: 2012979
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787087245585418 7.0683e-08  
a 2.267756672717747 1.1916e-08 AU
q 1.862488770127236 1.627e-07 AU
i 5.356038873027346 7.3179e-06 deg
node 14.67930103016472 6.8597e-05 deg
peri 354.4008535458187 7.1164e-05 deg
M 158.8459812081589 2.11e-05 deg
tp 2456250.114684750364
(2012-Nov-18.61468475)
7.0715e-05 JED
period 1247.363716619428
3.42
9.8316e-06
2.692e-08
d
yr
n .288608683420472 2.2748e-09 deg/d
Q 2.673024575308258 1.4046e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      13492 days (36.94 yr)  
   first obs. used      1977-04-24  
   last obs. used      2014-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56999  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:03:10  

Additional Information
 Earth MOID = .860559 AU 
 T_jup = 3.588 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO253455  

12979 Evgalvasil'ev           Discovered 1978 Sept. 26 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Evgenij Aleksandrovich Vasil'ev (1935-2003) was a talented educator, the creator and permanent head of the pioneer camp "Lesnoj" in a complex of "Artek" pioneer camps in the Crimea.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

Alternate Designations
 1978 SB8 = 1977 HP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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