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From Wikipedia, the free encyclopedia
3628 Božněmcová, provisional designation 1979 WD, is a rare-type asteroid from the middle region of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 25 November 1979, by Czech astronomer Zdeňka Vávrová at Kleť Observatory in the Czech Republic.[10] It is named for Czech writer Božena Němcová.[2]
Discovery [1] | |
---|---|
Discovered by | Z. Vávrová |
Discovery site | Kleť Obs. |
Discovery date | 25 November 1979 |
Designations | |
(3628) Boznemcova | |
Named after | Božena Němcová (Czech writer)[2] |
1979 WD · 1930 MQ 1962 JP · 1975 XT4 1978 JX · 1979 YB10 1985 CQ2 | |
main-belt · (middle) [3] | |
Orbital characteristics [1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 86.76 yr (31,689 days) |
Aphelion | 3.2963 AU |
Perihelion | 1.7799 AU |
2.5381 AU | |
Eccentricity | 0.2987 |
4.04 yr (1,477 days) | |
174.61° | |
0° 14m 37.32s / day | |
Inclination | 6.8866° |
156.74° | |
187.79° | |
Physical characteristics | |
Dimensions | 5.40±1.17 km[4] 6.914±0.143 km[5][6] 8.14±0.34 km[7] 8.18 km (calculated)[3] |
3.335410±0.000057 h[8] | |
0.20 (assumed)[3] 0.256±0.024[7] 0.32±0.13[4] 0.3370±0.0705[5] 0.359±0.029[6] | |
SMASS = O [1] · O [3][9] | |
12.60[5][7] · 12.8[1][3] · 13.05±0.34[9] · 13.11[4] | |
Božněmcová orbits the Sun in the central main-belt at a distance of 1.8–3.3 AU once every 4.04 years (1,477 days). Its orbit has an eccentricity of 0.30 and an inclination of 7° with respect to the ecliptic.[1] It was first identified as 1930 MQ at Lowell Observatory in 1930, extending the body's observation arc by 49 years prior to its official discovery observation at Klet.[10]
In the SMASS taxonomy, Božněmcová is a bright O-type asteroid, a rare group with spectra that best fits those of the L6 and LL6 ordinary chondrite-type meteorites.[11]
In September 2007, a rotational lightcurve of Božněmcová was obtained from photometric observations by American astronomer Brian Warner at his Palmer Divide Observatory in Colorado. Lightcurve analysis gave a well-defined rotation period of 3.335410 hours with a low brightness amplitude of 0.09 magnitude (U=3).[8]
According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Božněmcová measures between 5.40 and 8.14 kilometers in diameter, and its surface has an albedo between 0.256 and 0.359.[4][5][6][7] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 8.18 kilometers at an absolute magnitude of 12.8, as the lower the albedo (reflectivity), the larger the body's diameter for an unchanged brightness.[3]
This minor planet was named in memory of Božena Němcová (1820–1862), a Czech writer, author of the novella The Grandmother (Czech: Babička), the most frequently read book in Czech literature.[2] The official naming citation was published by the Minor Planet Center on 4 June 1993 (M.P.C. 22245).[12]
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