../ dmsp_15_ephemeris_20221122.txt 22-Jun-2023 16:33 109447 dmsp_16_ephemeris_20221122.txt 22-Jun-2023 16:33 109424 dmsp_17_ephemeris_20221122.txt 22-Jun-2023 16:33 109342 dmsp_18_ephemeris_20221122.txt 22-Jun-2023 16:33 109394