../ dmsp_15_ephemeris_20150206.txt 22-Jun-2023 00:27 107978 dmsp_16_ephemeris_20150206.txt 22-Jun-2023 00:27 108188 dmsp_17_ephemeris_20150206.txt 22-Jun-2023 00:27 108114 dmsp_18_ephemeris_20150206.txt 22-Jun-2023 00:27 107938 dmsp_19_ephemeris_20150206.txt 22-Jun-2023 00:27 108022