../ dmsp_15_ephemeris_20141004.txt 22-Jun-2023 00:26 109587 dmsp_16_ephemeris_20141004.txt 22-Jun-2023 00:26 109620 dmsp_17_ephemeris_20141004.txt 22-Jun-2023 00:26 109628 dmsp_18_ephemeris_20141004.txt 22-Jun-2023 00:26 109597 dmsp_19_ephemeris_20141004.txt 22-Jun-2023 00:26 109643