
cosmos 257

cosmos 257 (jiska arth haye cosmos 257), jise prakshepan seey pahale dee. aiss.-pee. 1-yuu. no.17 key roop mein jaanaa jaataa thaa, ack soviyat upgrah thaa jiska upayog anty-ballistic misaailon key pareekshan key liye radar anshankan lakshya key roop mein kiya jaataa thaa. ise yuznoye design beuro dwara banaaya gayaa thaa, aur 1968 mein deanpropetrovsk sputnik karyakram key hisse key roop mein launch kiya gayaa thaa. iska ack dravyamaan thaa.
cosmos 257 koo playsetsk mein site 133/1 seey ack cosmos-2i 63sm vaahak rockett key oopar seey launch kiya gayaa thaa. prakshepan 3 disambar 1968 koo 14:52:21 utc parr huaa, aur isake parinamswarup cosmos 257 kii prithvi kii nichali kaksha mein safal tainaati hui. kaksha mein pahunchane parr, ise apana cosmos padnam diyaa gayaa, aur antarrashtriya namitkarta 1968-107 a praapt kiya.
cosmos 257 koo ack paridhiya, ack apoji, 70.9 degree jhukaav aur 91.10 minut kii ack kakshiya avadhi key saath ack kaksha mein sanchaalit kiya gayaa thaa. yeh taba taka kaksha mein rhaa jaba taka kii yeh 5 march 1969 koo kshay naheen hoe gayaa aur vayumandal mein phir seey pravesh naheen curr gayaa. yeh prakshepit kiye jaane vaale satrahaven ds-pee1-yuu upgrahon mein seey satrahvaan thaa, aur safaltapurvak kaksha mein pahunchane vaale satrah mein seey solahavaan thaa.