856 Backlunda

856 Backlunda
Shape of Backlunda from modeled lightcurve
Discovery[1]
Discovered byS. Belyavskyj
Discovery siteSimeiz Obs.
Discovery date3 April 1916
Designations
(856) Backlunda
Named after
Oskar Backlund
(Swedish-Russian astronomer)[2]
A916 GQ · 1955 PB
1955 QO1 · 1958 LA
1959 SQ · 1962 MA
A908 CB · 1916 Σ30
Orbital characteristics[3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc88.67 yr (32,385 d)
Aphelion2.7255 AU
Perihelion2.1440 AU
2.4348 AU
Eccentricity0.1194
3.80 yr (1,388 d)
137.72°
0° 15m 33.84s / day
Inclination14.328°
125.54°
72.999°
Physical characteristics
12.08 h[9]
  • (42.0°, 44.0°) (λ1/β1)[5]
  • (226.0°, 73.0°) (λ2/β2)[5]
10.7[1][3]

856 Backlunda (prov. designation: A916 GQ or 1916 Σ30) is a dark background asteroid from the inner region of the asteroid belt. It was discovered on 3 April 1916, by Russian astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula.[1] The carbonaceous C-type asteroid has a rotation period of 12.1 hours and measures approximately 45 kilometers (28 miles) in diameter. It was named after Swedish-Russian astronomer Oskar Backlund (1846–1916).[2]

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