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257 Silesia information


257 Silesia
Modelled shape of Silesia from its lightcurve
Discovery [1]
Discovered byJ. Palisa
Discovery siteVienna Observatory
Discovery date5 April 1886
Designations
MPC designation
(257) Silesia
Pronunciation/sˈlʃiə/[2][3]
Named after
Silesia (region)[4]
Alternative designations
A886 GB, 1929 DD
1952 FL1, 1952 HU
Minor planet category
main-belt
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc129.94 yr (47462 d)
Aphelion3.4669 AU (518.64 Gm)
Perihelion2.7711 AU (414.55 Gm)
Semi-major axis
3.1190 AU (466.60 Gm)
Eccentricity0.11154
Orbital period (sidereal)
5.51 yr (2012.0 d)
Mean anomaly
30.606°
Mean motion
0° 10m 44.148s / day
Inclination3.6351°
Longitude of ascending node
34.364°
Argument of perihelion
27.605°
Earth MOID1.78299 AU (266.732 Gm)
Jupiter MOID1.8503 AU (276.80 Gm)
TJupiter3.204
Physical characteristics
Dimensions72.66±2.2 km
Synodic rotation period
15.7095 h (0.65456 d)
Geometric albedo
0.0545±0.003
Spectral type
B–V = 0.761
U–B = 0.384
SCTU (Tholen)
Ch (SMASS)
Absolute magnitude (H)
9.47

Silesia (minor planet designation: 257 Silesia) is a large Main belt asteroid, about 73 kilometers in diameter. It was discovered by Johann Palisa on 5 April 1886 at Vienna Observatory, Austria.

Light curve-based 3D-model of Silesia

It is named after Silesia, the province of the discoverer's birthplace (nowadays most of Silesia is in Poland, but Palisa's birthplace is in the small part of Silesia that is in the Czech Republic).[4]

  1. ^ a b Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ "Silesia". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  3. ^ Noah Webster (1884) A Practical Dictionary of the English Language
  4. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).

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257 Silesia

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Silesia (minor planet designation: 257 Silesia) is a large Main belt asteroid, about 73 kilometers in diameter. It was discovered by Johann Palisa on 5...

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estimated at 8,000,000. Silesia is split into two main subregions, Lower Silesia in the west and Upper Silesia in the east. Silesia has a diverse culture...

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region of Silesia now in the Czech Republic. Czech Silesia is, together with Bohemia and Moravia, one of the three historical Czech lands. Silesia lies in...

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Silesia (German: Provinz Schlesien; Polish: Prowincja Śląska; Silesian: Prowincyjŏ Ślōnskŏ) was a province of Prussia from 1815 to 1919. The Silesia region...

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Opava

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River. Opava is one of the historical centres of Silesia. It was a historical capital of Czech Silesia. Opava is made up of eight self-governing boroughs...

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Frederick the Great

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Prussian throne, he attacked and annexed the rich Austrian province of Silesia in 1742, winning military acclaim for himself and Prussia. He became an...

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Johann Palisa

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1848 – 2 May 1925) was an Austrian astronomer, born in Troppau, Austrian Silesia, now Czech Republic. He was a prolific discoverer of asteroids, discovering...

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Minuscule 257

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sheltered in Silesia for safekeeping. As the result of postwar border changes some of these collections were found in Poland (among them minuscule 257). They...

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Lusatia

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Saxony and Brandenburg as well as in the Polish voivodeships of Lower Silesia and Lubusz. Major rivers of Lusatia are the Spree and the Lusatian Neisse...

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Opole

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southern Poland on the Oder River and the historical capital of Upper Silesia. With a population of approximately 127,387 as of the 2021 census, it is...

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Second Silesian War

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confirmed Prussia's control of the region of Silesia (now in south-western Poland). The war was fought mainly in Silesia, Bohemia, and Upper Saxony and formed...

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von Woyrsch and SS-Gruppenführer Otto Rasch, acted in Upper Silesia and Cieszyn Silesia Matthäus, Jürgen (2024). ""The last Jew in Vinnitsa": Reframing...

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and Silesian Regional Party. Local politicians of the Civic Platform in Silesia are often associated with Silesian regionalism as well. The party also...

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Hultschin area, of Silesia, to Czechoslovakia was completed on 3 February 1921. Following the implementation of the treaty, Upper Silesia was initially governed...

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murder of Jews in the General Governorate. In late 1941 in East Upper Silesia, Jews in forced-labor camps operated by the Schmelt Organization deemed...

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information for the Allies. Particularly in Polish Pomerania and Polish Silesia, many of the people who were forced to sign the Volksliste played crucial...

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