小行星2240

蔡（Tsai）
发现
發現地哈佛大學天文台
發現日期1978年12月30日
編號
MPC編號蔡（小行星2240）
命名依據蔡章獻
其它名稱1978 YA
小行星分類主帶
軌道參數[1]
曆元 May 14, 2008
遠日點3.6400376 AU（544,541,874.228 km）
近日點2.6496642 AU（396,384,122.390 km）
半長軸3.1459423 AU（470,626,269.425 km）
離心率0.1574595
軌道週期2038.0956306 日
5.58 儒略年
平近點角89.77902°
軌道傾角0.84544°
升交點黃經60.74818°
近日點參數26.16360°
物理特徵
大小24.87公里
反照率0.0544
絕對星等(H)11.80

小行星2240（2240 Tsai，蔡小行星），臨時編號1978 YA，是一顆位於小行星帶的小行星。由哈佛大學天文台於1978年12月30日發現。1980年美籍華人天文學家邵正元為了感謝時任圓山天文台台長的台灣知名天文學家蔡章獻（1923年3月17日－2009年2月3日）對他在天文上的啟蒙和表彰他對台灣天文教育推廣的貢獻而命名為「蔡」（Tsai）。這是第一顆以台灣人命名的小行星[2]。

參見

參考資料

  1. ^ 2240 Tsai (1978 YA). [2010-09-07]. （原始内容存档于2020-08-20）. 
  2. ^ 天文先驅蔡章獻病逝 蔡氏小行星長掛夜空. 2009-02-24 [2019-03-23]. （原始内容存档于2019-03-23）. 


前一小行星：
2239 Paracelsus 		小行星列表 後一小行星：
2241 Alcathous

Read other articles:

Bentuk usaha tetap

Artikel ini tidak memiliki referensi atau sumber tepercaya sehingga isinya tidak bisa dipastikan. Tolong bantu perbaiki artikel ini dengan menambahkan referensi yang layak. Tulisan tanpa sumber dapat dipertanyakan dan dihapus sewaktu-waktu.Cari sumber: Bentuk usaha tetap – berita · surat kabar · buku · cendekiawan · JSTOR Yang dimaksud dengan Bentuk Usaha Tetap (BUT) (bahasa Inggris: permanent establishment)adalah bentuk usaha yang dipergunakan oleh or...

 

Charles VII dari Prancis

Artikel atau sebagian dari artikel ini mungkin diterjemahkan dari Charles VII of France di en.wikipedia.org. Isinya masih belum akurat, karena bagian yang diterjemahkan masih perlu diperhalus dan disempurnakan. Jika Anda menguasai bahasa aslinya, harap pertimbangkan untuk menelusuri referensinya dan menyempurnakan terjemahan ini. Anda juga dapat ikut bergotong royong pada ProyekWiki Perbaikan Terjemahan. (Pesan ini dapat dihapus jika terjemahan dirasa sudah cukup tepat. Lihat pula: panduan pe...

 

Moana Uta (Wet Jacket Arm) Marine Reserve

Marine reserve in New Zealand territorial waters Moana Uta (Wet Jacket Arm) Marine ReserveWet Jacket ArmLocationFiordland, New ZealandCoordinates45°38′23″S 166°42′42″E / 45.6398245°S 166.7117861°E / -45.6398245; 166.7117861Area2,007 hectares (4,960 acres)Established2005Governing bodyDepartment of Conservation Moana Uta (Wet Jacket Arm) Marine Reserve is a marine reserve covering the entire length of Wet Jacket Arm in Fiordland on New Zealand's South Is...

Parkwood Entertainment

American entertainment and management company Parkwood EntertainmentTypePrivateIndustryMusic, Film, EntertainmentFounded2010; 13 years ago (2010)FounderBeyoncéHeadquartersLos Angeles, CaliforniaKey peopleBeyoncé (Founder, Chairwoman, & CEO)ProductsVisual albums, films, television specialsServicesManagement, video productionSubsidiariesParkwood EntertainmentParkwood Topshop Athletic LtdParkwood PicturesParkwood ManagementParkwood Ventures, Inc.Parkwood Touring, Inc.Webs...

 

Human physical appearance

Look, outward phenotype Human physical appearance is the outward phenotype or look of human beings. image of Caucasian Female (left) and Asian male (right) human body seen from front (upper) and back (lower). Adult human bodies photographed whose Naturally-occurring pubic, body, and facial hair has been deliberately removed to show anatomy. Retouched with anterior and posterior views. There are infinite variations in human phenotypes, though society reduces the variability to distinct categor...

 

Lori Idlout

Canadian politician Lori IdloutMPᓘᕆ ᐃᓪᓚᐅᖅIdlout in 2022Member of Parliamentfor NunavutIncumbentAssumed office September 20, 2021Preceded byMumilaaq Qaqqaq Personal detailsBorn (1974-03-28) March 28, 1974 (age 49)[1]Igloolik, Northwest Territories[2]NationalityCanadianPolitical partyNew DemocraticResidence(s)Igloolik, Nunavut[3]ProfessionLawyer, policy analyst, entrepreneur, non-profit director[4][5] This article contains Canadian ...

Ramachaari (TV series)

Indian Kannada language television drama series RamachaariGenreDramaDirected byK S RamjiStarringRithvik Krupakar Mouna Guddemane Opening themeNamma RamaachariCountry of originIndiaOriginal languageKannadaNo. of episodes454ProductionProducerK S RamjiCamera setupMulti-cameraRunning time22 minutesOriginal releaseNetworkColors KannadaRelease31 January 2022 (2022-01-31) –present Ramachaari is Indian Kannada language television drama series airing on Colors Kannada and premiered on 31 J...

 

Love Maniac

This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Love Maniac – news · newspapers · books · scholar · JSTOR (May 2008) (Learn how and when to remove this template message) 1979 studio album by María Conchita AlonsoLove ManiacStudio album by María Conchita AlonsoReleased1979GenreDiscoLabelPolydorProducerRudy La Scala L...

 

Spindle cell lipoma

Medical conditionSpindle cell lipoma Spindle cell lipoma is an asymptomatic, slow-growing subcutaneous tumor that has a predilection for the posterior back, neck, and shoulders of older men.[1]: 625 [2] See also Intradermal spindle cell lipoma List of cutaneous conditions References ^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0. ^ Rapini, Ronald P.; Bolo...

Frontera entre Finlandia y Suecia

Frontera entre Finlandia y Suecia Localización de Suecia (naranja) y Finlandia (verde). Trazado principal de la frontera terrestre sueco-finesa. Finlandia Finlandia Suecia Suecia Longitud total 614 kmParticularidades Un tramo en el continente y otros dos en las islas de Kataja y Märket.HistoriaCreación 1809Trazado actual 1985[editar datos en Wikidata] La frontera terrestre entre Finlandia y Suecia es un frontera internacional discontinua que mide 614 kilómetros. Separa a Fi...

 

Robert Bentley (botanist)

British botanist (1821–1893) For other people named Robert Bentley, see Robert Bentley (disambiguation). Robert BentleyBorn25 March 1821Hitchin, Hertfordshire, EnglandDied24 December1893 (1893-12-25) (aged 72)Kensington, EnglandEducationKing's College LondonKnown forMedicinal Plants (1880)AwardsMember of the Royal College of Surgeons, Fellow of the Linnean SocietyScientific careerFieldsBotanyInstitutionsMedical School of the London Hospital, King's College LondonAuthor a...

 

Belsand Assembly constituency

Vidhan Sabha constituencyBelsand Assembly constituencyConstituency No. - for the Bihar Legislative AssemblyConstituency detailsCountryIndiaRegionEast IndiaStateBihar Elected year2020 Assembly constituency in Bihar, IndiaBelsandAssembly constituencyBelsandLocation in BiharCoordinates: 26°27′N 85°24′E / 26.450°N 85.400°E / 26.450; 85.400Country IndiaStateBiharDistrictSitamarhiConstituency No30TypeOpenLok Sabha constituency4. SheoharElectoral systemFirst past...

Area codes 419 and 567

Area codes in northwestern Ohio The regions shown in blue are in Ohio. This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Area codes 419 and 567 – news · newspapers · books · scholar · JSTOR (August 2017) (Learn how and when to remove this template message) Area codes 419 and 567 are telephone area codes in the North American Nu...

 

Onyx Grand Prix

У этого термина существуют и другие значения, см. Onyx. Onyx Grand Prix Общая информация Дебют 1978 Страна  Великобритания Руководители Майк ЭрлГрег Филд Роспуск 1990 Статистика выступлений Бывшая серия Европейская Ф2Международная Ф3000Формула-1 Победы в личном зачёте ...

 

X-tra Naked

1992 studio album by Shabba RanksX-tra NakedStudio album by Shabba RanksReleasedOctober 1992GenreReggae fusion, dancehall, raggaLength48:45LabelEpicShabba Ranks chronology Rough And Ready Volume 1(1992) X-tra Naked(1992) Rough And Ready Volume 2(1993) Professional ratingsReview scoresSourceRatingAllMusic[1]Robert ChristgauC+[2]Los Angeles Times[3]Music Week[4]NME5/10[5] X-tra Naked is a studio album released by Jamaican dancehall musician Shabba...

Tokonami Takejirō

Tokonami TakejirōTokonami TakejirōMenteri Komunikasi 36thMasa jabatan8 Juni 1934 – 8 September 1935Perdana MenteriKeisuke OkadaPendahuluMinami HiroshiPenggantiOkada KeisukeMenteri Jalur Kereta Api Jepang ke-10Masa jabatan13 Desember 1931 – 26 Mei 1932Perdana MenteriTsuyoshi InukaiPendahuluHara OsamuMenteri Dalam Negeri ke-14Masa jabatan29 September 1918 – Juni 1922Perdana MenteriHara Takashi; Takahashi Korekiyo[exp 1]PendahuluMizuno Renta...

 

Language acquisition

Process in which a first language is being acquired Language learning redirects here. For other uses, see Language learning (disambiguation). Part of a series onLinguistics OutlineHistoryIndex General linguistics Diachronic Lexicography Morphology Phonology Pragmatics Semantics Syntax Syntax–semantics interface Typology Applied linguistics Acquisition Anthropological Applied Computational Conversation Analysis Corpus linguistics Discourse analysis Distance Documentation Ethnography of commu...

 

Reverse Krebs cycle

The Reductive/Reverse TCA Cycle (rTCA cycle). Shown are all of the reactants, intermediates and products for this cycle. The reverse Krebs cycle (also known as the reverse tricarboxylic acid cycle, the reverse TCA cycle, or the reverse citric acid cycle, or the reductive tricarboxylic acid cycle, or the reductive TCA cycle) is a sequence of chemical reactions that are used by some bacteria to produce carbon compounds from carbon dioxide and water by the use of energy-rich reducing agents as e...

Nukak language

Endangered indigenous language of Colombia NukakGuaviarePronunciation[nɨkák náuʔ]Native toColombiaRegionDepartment of Guaviare, Amazon BasinEthnicityNukakNative speakers700 of Nukak proper (2010)[1]400 monolinguals (no date)[2]Language familyPuinave-Maku?[3][4] Northwestern Puinave-MakuNukak-KakwaNukakDialects Wayari, Meu, Taka, Mi'pa Official statusOfficial language inIn Colombia it is recognized as an official language within the Nukak terr...

 

Peabody Central Fire Station

United States historic placePeabody Central Fire StationU.S. National Register of Historic Places Peabody Central Fire StationShow map of MassachusettsShow map of the United StatesLocationPeabody, MassachusettsCoordinates42°31′38″N 70°55′52″W / 42.52722°N 70.93111°W / 42.52722; -70.93111Built1873ArchitectBruce & CopelandNRHP reference No.79000344[1]Added to NRHPApril 11, 1979 The Peabody Central Fire Station is a historic fire station ...

 

Strategi Solo vs Squad di Free Fire: Cara Menang Mudah!