../ dmsp_15_ephemeris_20200803.txt 22-Jun-2023 00:44 109597 dmsp_16_ephemeris_20200803.txt 22-Jun-2023 00:44 109655 dmsp_17_ephemeris_20200803.txt 22-Jun-2023 00:44 109673 dmsp_18_ephemeris_20200803.txt 22-Jun-2023 00:44 109579