../ dmsp_15_ephemeris_20130103.txt 22-Jun-2023 00:21 106468 dmsp_16_ephemeris_20130103.txt 22-Jun-2023 00:21 106483 dmsp_17_ephemeris_20130103.txt 22-Jun-2023 00:21 106449 dmsp_18_ephemeris_20130103.txt 22-Jun-2023 00:21 106526