../ dmsp_15_ephemeris_20140804.txt 22-Jun-2023 00:25 109484 dmsp_16_ephemeris_20140804.txt 22-Jun-2023 00:25 109610 dmsp_17_ephemeris_20140804.txt 22-Jun-2023 00:25 109534 dmsp_18_ephemeris_20140804.txt 22-Jun-2023 00:25 109508 dmsp_19_ephemeris_20140804.txt 22-Jun-2023 00:25 109654