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Systems Engineering Challenges for GSFC Space Science Mission Operations.
| 题名： | Systems Engineering Challenges for GSFC Space Science Mission Operations. |
| 作者： | Thienel, J.; Harman, R. R. |
| 关键词： | Systems engineering, Space missions, Astrophysics, Project management, Spaceborne telescopes, Gamma ray telescopes, Lunar orbiter, Helioseismology, Reconnaissance, Lunar orbits, Solar observatories |
| 摘要： | The NASA Goddard Space Flight Center Space Science Mission Operations (SSMO) project currently manages19 missions for the NASA Science Mission Directorate, within the Planetary, Astrophysics, and Heliophysics Divisions. The mission lifespans range from just a few months to more than20 years. The WIND spacecraft, the oldest SSMO mission, was launched in 1994. SSMO spacecraft reside in low earth, geosynchronous,highly elliptical, libration point, lunar, heliocentric,and Martian orbits. SSMO spacecraft range in size from 125kg (Aeronomy of Ice in the Mesosphere (AIM)) to over 4000kg (Fermi Gamma-Ray Space Telescope (Fermi)). The attitude modes include both spin and three-axis stabilized, with varying requirements on pointing accuracy. The spacecraft are operated from control centers at Goddard and off-site control centers;the Lunar Reconnaissance Orbiter (LRO), the Solar Dynamics Observatory (SDO) and Magnetospheric MultiScale (MMS)mission were built at Goddard. The Advanced Composition Explorer (ACE) and Wind are operated out of a multi-mission operations center, which will also host several SSMO-managed cubesats in 2017. This paper focuses on the systems engineeringchallenges for such a large and varied fleet of spacecraft. |
| 报告类型： | 科技报告 |
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