../ dmsp_15_ephemeris_20151108.txt 22-Jun-2023 16:17 109530 dmsp_16_ephemeris_20151108.txt 22-Jun-2023 16:17 109429 dmsp_17_ephemeris_20151108.txt 22-Jun-2023 16:17 109552 dmsp_18_ephemeris_20151108.txt 22-Jun-2023 16:17 109388 dmsp_19_ephemeris_20151108.txt 22-Jun-2023 16:17 109467