../ dmsp_15_ephemeris_20221031.txt 22-Jun-2023 17:08 109397 dmsp_16_ephemeris_20221031.txt 22-Jun-2023 17:08 109545 dmsp_17_ephemeris_20221031.txt 22-Jun-2023 17:08 109423 dmsp_18_ephemeris_20221031.txt 22-Jun-2023 17:08 109564