9927 Tyutchev

From Wikipedia, the free encyclopedia
Jump to: navigation, search
9927 Tyutchev
Orbit of 9927 Tyutchev (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by L. G. Karachkina
Discovery date October 3, 1981
MPC designation 9927 Tyutchev
Named after Fyodor Tyutchev
Alternative names 1981 TW1, 1981 UA1, 1981 UG10, 1991 XP
Orbital characteristics
Epoch October 27, 2007
Aphelion 2.7565874 AU
Perihelion 1.6759086 AU
Semi-major axis 2.216248 AU
Eccentricity 0.2438082
Orbital period 1205.1079706 d
Mean anomaly 359.01579°
Inclination 6.02928°
Longitude of ascending node 238.09727°
Argument of perihelion 89.54721°
Physical characteristics
Dimensions ~12.9 km[1]
Geometric albedo ~0.01
Surface temp. min mean max
Absolute magnitude (H) 13.9

9927 Tyutchev is a main belt asteroid. It orbits the Sun once every 3.30 years.[2]

Discovered on October 3, 1981 by Lyudmila Karachkina at the Crimean Astrophysical Observatory, it was given the provisional designation "1981 TW1". It was later renamed "Tyutchev" after the Russian poet "Fedor Ivanovich Tyutchev".[3]


  1. ^ Tedesco E.F., Noah P.V., Noah M., Price S.D. "The supplemental IRAS minor planet survey (SIMPS)". 
  2. ^ "9927 Tyutchev (1981 TW1)". JPL Small-Body Database Browser. JPL/NASA. Retrieved 2008-02-15. 
  3. ^ MPC 34632 Minor Planet Center