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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787107734743155 6.6972e-08  
a 2.268134067020338 1.2767e-08 au
q 1.862794073559688 1.5533e-07 au
i 5.355926028922105 6.8848e-06 deg
node 14.67347847312974 6.7098e-05 deg
peri 354.3048452288407 6.959e-05 deg
M 332.113596385894 2.1842e-05 deg
tp 2457497.147698710130
(2016-Apr-18.64769871)
7.6231e-05 JED
period 1247.675104223443
3.42
1.0535e-05
2.884e-08
d
yr
n .2885366541188343 2.4363e-09 deg/d
Q 2.673474060480987 1.5049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      13959 days (38.22 yr)  
   first obs. used      1977-04-24  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55165  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:37:26  

Additional Information
 Earth MOID = .860426 au 
 Jupiter MOID = 2.7809 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 14.7 mag n/a MPO299057  

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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