../ dmsp_15_ephemeris_20151123.txt 22-Jun-2023 16:21 109473 dmsp_16_ephemeris_20151123.txt 22-Jun-2023 16:21 109332 dmsp_17_ephemeris_20151123.txt 22-Jun-2023 16:21 109362 dmsp_18_ephemeris_20151123.txt 22-Jun-2023 16:21 109383 dmsp_19_ephemeris_20151123.txt 22-Jun-2023 16:21 109396