../ dmsp_15_ephemeris_20200106.txt 22-Jun-2023 16:32 106552 dmsp_16_ephemeris_20200106.txt 22-Jun-2023 16:32 106474 dmsp_17_ephemeris_20200106.txt 22-Jun-2023 16:32 106486 dmsp_18_ephemeris_20200106.txt 22-Jun-2023 16:32 106354