../ dmsp_15_ephemeris_20160912.txt 22-Jun-2023 16:46 109537 dmsp_16_ephemeris_20160912.txt 22-Jun-2023 16:46 109641 dmsp_17_ephemeris_20160912.txt 22-Jun-2023 16:46 109728 dmsp_18_ephemeris_20160912.txt 22-Jun-2023 16:46 109693 dmsp_19_ephemeris_20160912.txt 22-Jun-2023 16:46 109770