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The relevant documents on the combined attitude determination using GNSS-orbit and star cameras

- Citation Author(s):
- Submitted by:
- Xudong Pan
- Last updated:
- Sun, 04/06/2025 - 08:27
- DOI:
- 10.21227/9x5y-rt30
- Data Format:
- License:
- Categories:
- Keywords:
Abstract
Satellite attitude determination is critical for accurately measuring and controlling a satellite’s orientation in orbit using a variety of sensors and methods. Currently, low-low Satellite-to-Satellite Tracking (ll-SST) missions—such as GRACE(-FO)—and upcoming missions like Magic primarily rely on quaternion data from onboard star camera sensors. To enhance attitude determination, we propose a GSCF fusion method. Taking GRACE-FO as an example, our dataset includes both the GSCF-fused attitude data and the traditionally fused (Trad) attitude data stored in .txt files, as well as GNSS-orbit-derived attitude data in .npy files, covering the period from January 1, 2020, to December 31, 2020.
The attitude products are derived by the GSCF approach and traditional fusion approach from February 1, 2020, to December 31, 2020, respectively. Additionally, it provides GNSS-orbit-only attitude data from February 1, 2020, to December 31, 2020.
Dataset Files
- GSCF&TradAttitude.zip (4.43 GB)
- GNSSAttitude.zip (3.98 GB)
Comments
The fusion attitude for GRACE-FO