../ dmsp_15_ephemeris_20220222.txt 22-Jun-2023 00:50 108077 dmsp_16_ephemeris_20220222.txt 22-Jun-2023 00:50 108189 dmsp_17_ephemeris_20220222.txt 22-Jun-2023 00:50 107922 dmsp_18_ephemeris_20220222.txt 22-Jun-2023 00:50 108123