[00:00] Launch and Intro
- EO-1 was the first satellite for the New Millennium Program
- Launched November 2000
- Entered extended mission January 2002
- 2 Mongoose M5 Processors @ 12 MHz, 256 MB Ram, 5.6 GB on-board storage
[00:13] ASE Overview
- The demo shows the three primary ASE components – CASPER, SCL, Science – along with the
Spacecraft Simulator, Time Server, and ASPEN GUI.
- Discuss CASPER/SCL, SCL/Sim, and CASPER/Science interfaces.
- During this clip CASPER prepares for and starts the image collect:
1. ACS Wheel Biasing (acssetwhlbias)
2. Kilauea Science Goal (science_goal)
3. Slew (acsgotomaneuver)
4. ALI/HYP power prep
5. WARP recording (wrmsrec)
6. ALI/HYP image collect (ali_img_collect, hsi_img_collect)
- You can watch SCL committing these activities to the SIM
[03:16] Kilauea Image Collect
- The first image collect is of Kilauea.
- After the data collect we run the cloud cover algorithm.
- We find 25,718 cloudy pixels = 19.6%
- Acceptable cloud cover set to 10%, therefore we schedule follow-up observation.
- You can see CASPER schedule the follow-up observation at [03:45].
- Note how the WARP free blocks and total files resources change.
[04:22] Kilauea Follow-up Collect
- This time the scene has only 0.7 % cloudy pixels – far below the 10% threshold.
- No follow-up observation planned.
- Note that the data from this observation filled the WARP to capacity.
- Downlink required before next observation.
- You can see SCL start to command the downlink.
[05:24] Downlink Goal Failure
- Next major activity an x-band downlink.
- Mission anomaly causes downlink to fail.
- This creates a conflict where the WARP resource is oversubscribed.
- Not enough space for data from the next observation.
- CASPER fixes the conflict by moving the observation after the next downlink.
[06:32] Mt. Etna Collect
- Second downlink completes successfully.
- The rescheduled Mt. Etna data collects observes eruption at Mt. Etna.
- Day-Thermal-Detection algorithm shown on Hyperion data from scene.
- Thermal activity detected.
- No further science observations scheduled at this time.
[07:41] End |