Asteroid mission X-ray fluorescence spectrometry
*小行星探测任务，计划2023年发射，2024年访问近地小行星2016HO3(size=40~100m)采样返回，2030年访问主带彗星133P(size= 3.8km)2024年探测小行星将是对XRF非常有利的， --
Peng Wenxi - 2019-08-06
1.准直型探测器
| 轨道高度 | 视场张角 | 视场大小 | 几何因子 | |
|---|---|---|---|---|
| 0.3km | 2.5°*2.5° | 13m*13m | 0.0019sr*Det_Area(cm2) | |
| 0.5km | 2.5°*2.5° | 22m*22m | 0.0019sr*Det_Area(cm2) | |
| 1.0km | 2.5°*2.5° | 43m*43m | 0.0019sr*Det_Area(cm2) | |
| 15km | 2.5°*2.5° | 0.65km*0.65km | 0.0019sr*Det_Area(cm2) | |
| 30km | 2.5°*2.5° | 1.3km*1.3km | 0.0019sr*Det_Area(cm2) | |
| 0.3km | 3.5°*3.5° | 18m*18m | 0.0037sr*Det_Area(cm2) | |
| 0.5km | 3.5°*3.5° | 30m*30m | 0.0037sr*Det_Area(cm2) | |
| 1.0km | 3.5°*3.5° | 61m*61m | 0.0037sr*Det_Area(cm2) | |
| 15km | 3.5°*3.5° | 0.9km*0.9km | 0.0037sr*Det_Area(cm2) | |
| 30km | 3.5°*3.5° | 1.8km*1.8km | 0.0037sr*Det_Area(cm2) | |
| 0.3km | 5°*5° | 26m*26m | 0.0076sr*Det_Area(cm2) | |
| 0.5km | 5°*5° | 43m*43m | 0.0076sr*Det_Area(cm2) | |
| 1.0km | 5°*5° | 87m*87m | 0.0076sr*Det_Area(cm2) | |
| 15km | 5°*5° | 1.3km*1.3km | 0.0076sr*Det_Area(cm2) | |
| 30km | 5°*5° | 2.6km*2.6km | 0.0076sr*Det_Area(cm2) | |
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