AIM (SMEX 9, Explorer 90) (original) (raw)
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AIM [Hampton University]
AIM (Aeronomy of Ice in the Mesosphere) is focused on the study of Polar Mesospheric Clouds (PMCs) that form about 80 km above the Earth's surface in summer and mostly in the polar regions.
The overall goal is to resolve why PMCs form and why they vary. AIM measures PMCs and the thermal, chemical and dynamical environment in which they form. This will allow the connection to be made between these clouds and the meteorology of the polar mesosphere.
AIM uses three instruments:
- CDE (Cosmic Dust Experiment) to measure: Cosmic Dust Input
- CIPS (Cloud Imaging and Particle Size) to measure: PMCs, Particle Sizes, Gravity Waves
- SOFIE (Solar Occultation For Ice Experiment) to measure: H2O, NO, O3, CH4, CO2, Temp., PMCs
AIM operated until March 2023, when a decline in battery capacity rendered the spacecraft unable to conduct science operations.
| Nation: | USA |
|---|---|
| Type / Application: | Atmospheric science |
| Operator: | NASA |
| Contractors: | Orbital Sciences Corporation (OSC) |
| Equipment: | CDE, CIPS, SOFIE |
| Configuration: | LEOStar-2 |
| Propulsion: | ? |
| Power: | Deployable solar array, batteries |
| Lifetime: | 26 months (design); 15 years 10 months (achieved) |
| Mass: | 200 kg |
| Orbit: | 585 km × 600 km, 97.79� |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks |
|---|---|---|---|---|---|
| AIM (SMEX 9, Explorer 90) | 2007-015A | 25.04.2007 | Va, L-1011 | Pegasus-XL |
Further SMEX missions:
- SAMPEX (SMEX 1)
- FAST (SMEX 2)
- SWAS (SMEX 3)
TOMS (SMEX)- cancelled- TRACE (SMEX 4)
- WIRE (SMEX 5)
- HESSI (RHESSI, SMEX 6)
- GALEX (SMEX 7)
- SPIDR (SMEX 8) - cancelled
- AIM (SMEX 9)
- IBEX (SMEX 10)
- NuSTAR (SMEX 11)
- IRIS (SMEX 12)
- GEMS (SMEX 13) - cancelled
- IXPE (SMEX 14)
- PUNCH-NFI, PUNCH-WFI 1, 2, 3 (SMEX 15)
- TRACERS A, B (SMEX 16)
- COSI (SMEX 17)
- Explorer Program