../ dmsp_15_ephemeris_20151011.txt 22-Jun-2023 16:21 109614 dmsp_16_ephemeris_20151011.txt 22-Jun-2023 16:21 109634 dmsp_17_ephemeris_20151011.txt 22-Jun-2023 16:21 109571 dmsp_18_ephemeris_20151011.txt 22-Jun-2023 16:21 109514 dmsp_19_ephemeris_20151011.txt 22-Jun-2023 16:21 109553