../ dmsp_15_ephemeris_20130210.txt 22-Jun-2023 00:21 108113 dmsp_16_ephemeris_20130210.txt 22-Jun-2023 00:21 108009 dmsp_17_ephemeris_20130210.txt 22-Jun-2023 00:21 108085 dmsp_18_ephemeris_20130210.txt 22-Jun-2023 00:21 107987