../ dmsp_15_ephemeris_20131017.txt 22-Jun-2023 16:36 109651 dmsp_16_ephemeris_20131017.txt 22-Jun-2023 16:36 109587 dmsp_17_ephemeris_20131017.txt 22-Jun-2023 16:36 109530 dmsp_18_ephemeris_20131017.txt 22-Jun-2023 16:36 109672