../ dmsp_15_ephemeris_20151102.txt 22-Jun-2023 16:21 109471 dmsp_16_ephemeris_20151102.txt 22-Jun-2023 16:21 109541 dmsp_17_ephemeris_20151102.txt 22-Jun-2023 16:21 109537 dmsp_18_ephemeris_20151102.txt 22-Jun-2023 16:21 109525 dmsp_19_ephemeris_20151102.txt 22-Jun-2023 16:21 109559