3409 Abramov, provisional designation 1977 RE6, is a stony Koronian asteroid from the outer region of the asteroid belt, approximately 11 kilometers in diameter. It was discovered on 9 September 1977, by Soviet–Russian astronomer Nikolai Chernykh at Crimean Astrophysical Observatory in Nauchnyj on the Crimean peninsula.[8] The asteroid was named after Russian writer Fyodor Abramov.[2]
| Discovery [1] | |
|---|---|
| Discovered by | N. Chernykh |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 9 September 1977 |
| Designations | |
| (3409) Abramov | |
Named after | Fyodor Abramov (Russian writer)[2] |
| 1977 RE6 · 1929 UP 1929 VD · 1948 TW1 1958 VU · 1972 TF5 1979 BS1 · 1980 GF1 1982 VY5 · 1985 GD1 | |
| main-belt · Koronis [3] | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 87.42 yr (31,930 days) |
| Aphelion | 3.0914 AU |
| Perihelion | 2.6174 AU |
| 2.8544 AU | |
| Eccentricity | 0.0830 |
| 4.82 yr (1,761 days) | |
| 92.335° | |
| 0° 12m 15.84s / day | |
| Inclination | 1.4019° |
| 211.41° | |
| 168.58° | |
| Physical characteristics | |
| Dimensions | 10.765±0.168 km[4][5] 10.80 km (calculated)[3] 11.402±1.938[a] |
| 7.791±0.002 h[6] 9.0±0.4 h[7] | |
| 0.236±0.044[a] 0.24 (assumed)[3] 0.242±0.060[4][5] | |
| S [3] | |
| 12.0[1][3][4][a] | |
Orbit and classification
The S-type asteroid is a member of the Koronis family, a group consisting of about 200 known stony bodies with nearly ecliptical orbits. It orbits the Sun in the outer main-belt at a distance of 2.6–3.1 AU once every 4 years and 10 months (1,761 days). Its orbit has an eccentricity of 0.08 and an inclination of 1° with respect to the ecliptic.[1] The first precovery was obtained at Lowell Observatory in 1929, extending the asteroid's observation arc by 48 years prior to its discovery.[8]
Physical characteristics
Lightcurves
In 2008, a photometric lightcurve analysis at the Universidad de Monterry Observatory, Mexico, gave a well-defined rotation period of 7.791±0.002 hours with a brightness amplitude of 0.50 in magnitude (U=3),[6] while an observation by astronomer René Roy rendered a tentative period of 9.0±0.4 hours (U=2).[7]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of the NASA's space-based Wide-field Infrared Survey Explorer, the asteroid has an albedo of 0.24 with a corresponding diameter of 10.8 kilometers.[4][5] The Collaborative Asteroid Lightcurve Link and others closely agree with these findings.[3][a]
Naming
This minor planet was named in memory of Russian novelist and literary critic Fyodor Abramov (1920–1983), whose work focused on the difficult lives of the Russian peasant class.[2] The official naming citation was published by the Minor Planet Center on 1 September 1993 (M.P.C. 22498).[9]
Notes
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 3409 Abramov at AstDyS-2, Asteroids—Dynamic Site
- 3409 Abramov at the JPL Small-Body Database
