../ dmsp_15_ephemeris_20200118.txt 22-Jun-2023 00:42 107879 dmsp_16_ephemeris_20200118.txt 22-Jun-2023 00:42 108063 dmsp_17_ephemeris_20200118.txt 22-Jun-2023 00:42 107890 dmsp_18_ephemeris_20200118.txt 22-Jun-2023 00:42 107893