../ dmsp_13_ephemeris_20100520.txt 22-Jun-2023 16:26 243 dmsp_14_ephemeris_20100520.txt 22-Jun-2023 16:26 109611 dmsp_15_ephemeris_20100520.txt 22-Jun-2023 16:26 109605 dmsp_16_ephemeris_20100520.txt 22-Jun-2023 16:26 109703 dmsp_17_ephemeris_20100520.txt 22-Jun-2023 16:26 109662 dmsp_18_ephemeris_20100520.txt 22-Jun-2023 16:26 109608