../ dmsp_15_ephemeris_20170316.txt 22-Jun-2023 00:33 108199 dmsp_16_ephemeris_20170316.txt 22-Jun-2023 00:33 108104 dmsp_17_ephemeris_20170316.txt 22-Jun-2023 00:33 108068 dmsp_18_ephemeris_20170316.txt 22-Jun-2023 00:33 108023