../ dmsp_15_ephemeris_20200219.txt 22-Jun-2023 00:43 108039 dmsp_16_ephemeris_20200219.txt 22-Jun-2023 00:43 108130 dmsp_17_ephemeris_20200219.txt 22-Jun-2023 00:43 108107 dmsp_18_ephemeris_20200219.txt 22-Jun-2023 00:43 108042