../ dmsp_15_ephemeris_20140105.txt 22-Jun-2023 00:23 106638 dmsp_16_ephemeris_20140105.txt 22-Jun-2023 00:23 106518 dmsp_17_ephemeris_20140105.txt 22-Jun-2023 00:23 106435 dmsp_18_ephemeris_20140105.txt 22-Jun-2023 00:23 106386