../ dmsp_15_ephemeris_20200210.txt 22-Jun-2023 00:43 108114 dmsp_16_ephemeris_20200210.txt 22-Jun-2023 00:43 108090 dmsp_17_ephemeris_20200210.txt 22-Jun-2023 00:43 107968 dmsp_18_ephemeris_20200210.txt 22-Jun-2023 00:43 108102