../ dmsp_15_ephemeris_20140520.txt 22-Jun-2023 00:24 109596 dmsp_16_ephemeris_20140520.txt 22-Jun-2023 00:24 109567 dmsp_17_ephemeris_20140520.txt 22-Jun-2023 00:24 109602 dmsp_18_ephemeris_20140520.txt 22-Jun-2023 00:24 109630 dmsp_19_ephemeris_20140520.txt 22-Jun-2023 00:24 109626