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1256 Normannia

1256 Normannia
Tredimensionell modell baserad på asteroidens ljuskurva.
Upptäckt[1]
UpptäckareK. Reinmuth
UpptäcktsplatsHeidelberg
Upptäcktsdatum8 augusti 1932
Beteckningar
MPC-beteckning(1256) Normannia
Alternativnamn1932 PD, 1930 KO[1]
Uppkallad efterNormander
SmåplanetskategoriAsteroidbältet
Hilda-asteroid[2]
Omloppsbana[3]
Epok: 21 januari 2022
Aphelium4,205 AU
Perihelium3,586 AU
Halv storaxel3,896 AU
Excentricitet0,0795037
Siderisk omloppstid7,69 år
Medelomloppshastighet15,09 km/s
Medelanomali209,9°
Inklination4,173°
Longitud för uppstigande nod236,9°
Periheliumargument101,6°
Fysikaliska data[1]
Diameter68,2 km
Synodisk rotationsperiod490 h
Albedo0,052
Absolut magnitud (H)9,74[3]

1256 Normannia eller 1932 PD[1] är en asteroid i huvudbältet, som upptäcktes 8 augusti 1932 av den tyske astronomen Karl Wilhelm Reinmuth i Heidelberg. Den tros ha fått sitt namn efter invånarna i Normandie.[4]

Asteroiden har en diameter på ungefär 68 kilometer och den tillhör asteroidgruppen Hilda.[2]

  1. ^ [a b c d] ”JPL Small-Body Database Browser 1256 Normannia” (på engelska). Solar System Dynamics. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1256. Läst 12 juni 2017. 
  2. ^ [a b] ”Minor Planet Center 1256 Normannia” (på engelska). Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1256. Läst 31 mars 2022. 
  3. ^ [a b] Minor Planet Center Queries, uppdaterad 29 januari 2022.
  4. ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1256) Normannia. Springer Berlin Heidelberg. sid. 104. ISBN 978-3-540-29925-7. https://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_1257. Läst 12 juni 2017 
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1256 Normannia
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