../ dmsp_15_ephemeris_20130113.txt 22-Jun-2023 00:21 107988 dmsp_16_ephemeris_20130113.txt 22-Jun-2023 00:21 107895 dmsp_17_ephemeris_20130113.txt 22-Jun-2023 00:21 107900 dmsp_18_ephemeris_20130113.txt 22-Jun-2023 00:21 107955