../ dmsp_15_ephemeris_20130205.txt 22-Jun-2023 00:21 108085 dmsp_16_ephemeris_20130205.txt 22-Jun-2023 00:21 107998 dmsp_17_ephemeris_20130205.txt 22-Jun-2023 00:21 107955 dmsp_18_ephemeris_20130205.txt 22-Jun-2023 00:21 108069