
4057 demophone

4057 demophone greak campil ninnulla oru valia jupittar trojanaanu, ekadesham vyaasathil. 1985 october 15 nuu american jyothishaasthranjanaaya edward bowell, arisonayile flagstaafinaduthulla loval obsarvettariyile aandezhsan messa steshanil vachaanu ithu kandethiyathu. dark jovian chhinnagrahathinu saraashariyekkaal 29.8 manikkoor kooduthal bhramana kaalayalav undu. trojan yudhathil poraadiya eathan rajakumaran demophoninte peraanu ithinu nalkiyirikkunnath.
bhramanapathavum vargeekaranavum.
"jupittarinoppam 1:1 bhramanapatha anurananm ulla oru irunda jovian chhinnagrahamaan demophone. vathaka bheemante lagranchian pooyintile pramukha greak campilaanu ithu sthithicheyyunnathu, athinte bhramanapathathil 60 digri munnilaanu. jovian pashchaathala janasamkhyayude oru kudumbamallattha chhinnagraham koodiyaanithu.
ithu 12 varshavum 1 maasavum (4,410 divasam; ardha-pradhana aksham 5.26 aou) orikkal sooryane parikramanam cheiyunnu. athinte bhramanapathathinu 0.12 enna vikendrathayum grahanavumaayi bandhappett 3° cherivum undu. aandezhsan mesayile audyogika kandethal nireekshanatthinu moonnaazhcha munbu 1985 septambaril crimea-nauchijil edutha oru precoveryil ninnaan shareerathinte nireekshana arck aarambhikkunnath.
shaareerika savisheshathakal.
"demophone" oru carbonatius sii-type chhinnagrahamaan. ithinu uyarnna vii-aii kalar soochika 1.06 aanu. ettavum valia jupittar trojanukal dii-type chinnagrahangalaanu.
bhramana kaalayalav.
1994 juunil chiliyile isoyude laa silla nireekshanaalayatthile dutch 0.9-metre dooradarshini upayogichu stephaano motola aandezhs erixon nadatthiya photometric nireekshanangalil ninnu "demophoninte" aadyathe bhramana prakasha vakram labhichu. laitt karvu vishakalanam 0.13 magnitude () prakasha vyathyaasathode 29.31 manikkoor bhramana kaalayalav nalki.
2015 augustil, "keppler" bahirakasha dooradarshiniyude photometric nireekshanangal rund laitt karvukal () koodi nalki. ettavum mikacha rating labhicha onnu manikkoorukalude kaalayalavum 0.01 theevrathayude thelicha vyathyasavum kaanichu. mikka chhinnagrahangalkkum 2 muthal 20 manikkoor vare hrasvamaaya bhramana kaalayalav undu (slow rottettarukalude patikayum kaanuka).
vyaasavum albido.
naasayude wide feeld infrared sarway explorarinte neovice mission nadatthiya sarway prakaram, "demophone" 45.68 kilometer vyaasavum athinte uparithalathinu 0.077 albido undu, athesamayam "sahakarana chhinnagraha laitt karvu link" 0.057 carbonatius chhinnagrahathinu oru staanderd albido anumaanikkukayum 10.1 nte samboornna vyaapthiye adisthaanamaakki 53.16 kilometer vyaasam kanakkaakkukayum cheiyunnu.
peru.
greak puranangalil ninnu theesiyas rajaavinteyum fidera rajaavinteyum makanaaya eathan rajakumaran demophoninte perilaanu eee cheria grahathinu eee peru nalkiyirikkunnath. trojan yudhathil pankeduttha sesham, demophone philisine vivaham kazhichu, avale upekshicha sesham avan aathmahathya cheythu. 1997 epril 22 nuu minor plaanat sentar audyogika naamakarana avalambam prasidheekarichu.