../ dmsp_15_ephemeris_20140808.txt 22-Jun-2023 16:17 109537 dmsp_16_ephemeris_20140808.txt 22-Jun-2023 16:17 109542 dmsp_17_ephemeris_20140808.txt 22-Jun-2023 16:17 109689 dmsp_18_ephemeris_20140808.txt 22-Jun-2023 16:17 109721 dmsp_19_ephemeris_20140808.txt 22-Jun-2023 16:17 109566