OLI-2 telescope post-alignment performance

Thomas U. Kampe; Laura Coyle

doi:10.1117/12.2633223

30 September 2022 OLI-2 telescope post-alignment performance

Thomas U. Kampe, Laura Coyle

Proceedings Volume 12232, Earth Observing Systems XXVII; 122320Z (2022) https://doi.org/10.1117/12.2633223
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

The Operational Land Imager 2 (OLI-2) is flying on the Landsat 9 satellite that launched on September 27, 2021. OLI-2 collects data in nine spectral bands in the solar reflective region with a ground sample distance (GSD) of 30 m for all bands except the panchromatic band, which has a 15 m GSD. OLI-2 is the second in a series of instruments flying aboard Landsat platforms. Its predecessor, the Operational Land Imager (OLI), onboard the Landsat 8 satellite, has been operational since 2013. Both satellites fly in a sun-synchronous polar orbit at an altitude of 705 km. The OLI-2 telescope completed alignment in December 2017 at Ball Aerospace. In this paper we present a summary of the as-designed and as-built performance of the telescope that demonstrates compliance to the OLI-2 requirements. In addition, we provide a comparison of the OLI-2 telescope performance to the reported OLI telescope performance. Performance parameters discussed include measurement of effective focal length, modulation transfer function, optical throughput, polarization, stray light, and pointing.

Conference Presentation

Citation Download Citation

Thomas U. Kampe and Laura Coyle "OLI-2 telescope post-alignment performance", Proc. SPIE 12232, Earth Observing Systems XXVII, 122320Z (30 September 2022); https://doi.org/10.1117/12.2633223

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