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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787625255125684 7.0041e-08  
a 2.267676486220751 1.283e-08 AU
q 1.862300910498462 1.6176e-07 AU
i 5.35616348060599 7.158e-06 deg
node 14.67878997685804 6.7748e-05 deg
peri 354.3713711898184 7.0251e-05 deg
M 216.6118622257786 2.1247e-05 deg
tp 2457497.299094767767
(2016-Apr-18.79909477)
7.6266e-05 JED
period 1247.297558170461
3.41
1.0586e-05
2.898e-08
d
yr
n .2886239916384096 2.4495e-09 deg/d
Q 2.673052061943039 1.5124e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      13570 days (37.15 yr)  
   first obs. used      1977-04-24  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55576  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:29:34  

Additional Information
 Earth MOID = .86177 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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