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769 Tatjana

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Main-belt asteroid

769 Tatjana
Discovery
Discovered byG. N. Neujmin
Discovery siteSimeiz Observatory
Discovery date6 October 1913
Designations
MPC designation(769) Tatjana
Alternative designations1913 TA
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc101.12 yr (36933 d)
Aphelion3.7589 AU (562.32 Gm)
Perihelion2.5813 AU (386.16 Gm)
Semi-major axis3.1701 AU (474.24 Gm)
Eccentricity0.18574
Orbital period (sidereal)5.64 yr (2061.6 d)
Mean anomaly90.8697°
Mean motion0° 10 28.632 / day
Inclination7.3689°
Longitude of ascending node38.487°
Argument of perihelion253.943°
Physical characteristics
Mean radius53.22±1.3 km
53.135 ± 2.01 km
Mass(6.31 ± 0.64) × 10 kg
Mean density10.03 ± 1.52 g/cm
Synodic rotation period35.08 h (1.462 d)
Geometric albedo0.0429±0.002
Absolute magnitude (H)9.0

769 Tatjana is a minor planet orbiting the Sun. The body was named such after Tatiana Larina, protagonist of Alexander Pushkin's poem "Eugene Onegin". It's possible that the name was suggested by the provisional designation of the asteroid, 1913 TA, but unlike bodies named by Wolf, Knopff and Metcalf in the years 1905–1909, there's no naming pattern to support this.

References

  1. ^ "769 Tatjana (1913 TA)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  2. ^ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  3. Schmadel, Lutz D. Dictionary of Minor Planet Names. — Fifth Revised and Enlarged Edition. — B., Heidelberg, N. Y.: Springer, 2003. — P. 73. — ISBN 3-540-00238-3.

External links

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