../ dmsp_15_ephemeris_20220802.txt 22-Jun-2023 00:52 109400 dmsp_16_ephemeris_20220802.txt 22-Jun-2023 00:52 109550 dmsp_17_ephemeris_20220802.txt 22-Jun-2023 00:52 109585 dmsp_18_ephemeris_20220802.txt 22-Jun-2023 00:52 109458