../ dmsp_15_ephemeris_20200310.txt 22-Jun-2023 00:43 108220 dmsp_16_ephemeris_20200310.txt 22-Jun-2023 00:43 108140 dmsp_17_ephemeris_20200310.txt 22-Jun-2023 00:43 108113 dmsp_18_ephemeris_20200310.txt 22-Jun-2023 00:43 108094