../ dmsp_15_ephemeris_20200202.txt 22-Jun-2023 00:43 108076 dmsp_16_ephemeris_20200202.txt 22-Jun-2023 00:43 108068 dmsp_17_ephemeris_20200202.txt 22-Jun-2023 00:43 108006 dmsp_18_ephemeris_20200202.txt 22-Jun-2023 00:43 107976