../ dmsp_15_ephemeris_20151002.txt 22-Jun-2023 00:29 109677 dmsp_16_ephemeris_20151002.txt 22-Jun-2023 00:29 109616 dmsp_17_ephemeris_20151002.txt 22-Jun-2023 00:29 109666 dmsp_18_ephemeris_20151002.txt 22-Jun-2023 00:29 109646 dmsp_19_ephemeris_20151002.txt 22-Jun-2023 00:29 109658