کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10680895 | 1013450 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Multiple near-Earth asteroid rendezvous and sample return using first generation solar sailcraft
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی هوافضا
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Due to their high ÎV-capability, solar sailcraft are especially capable of performing multiple rendezvous and sample return missions to near-Earth asteroids. Even with moderate-performance solar sails of the first generation, challenging scientific missions are feasible. It is shown that a 300Â kg spacecraft (including a lander and a sample return capsule), propelled by a (70m)2 solar sail with an additional mass of about 110Â kg (specific mass 23g/m2), is capable of returning a sample from a near-Earth asteroid to Earth within 10 years from launch. In another scenario, a solar sail of the same size and mass is capable of propelling a 75Â kg spacecraft to rendezvous three near-Earth asteroids subsequently within 7.6 years from launch (including about 200 days of operations at each asteroid). A larger solar sail of about (140m)2 would even be capable of transporting a spacecraft that returns samples from all three visited near-Earth asteroids to Earth within about 10 years from launch.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Astronautica - Volume 57, Issue 11, December 2005, Pages 864-875
Journal: Acta Astronautica - Volume 57, Issue 11, December 2005, Pages 864-875
نویسندگان
Bernd Dachwald, Wolfgang Seboldt,