../ dmsp_15_ephemeris_20140109.txt 22-Jun-2023 00:23 106542 dmsp_16_ephemeris_20140109.txt 22-Jun-2023 00:23 106543 dmsp_17_ephemeris_20140109.txt 22-Jun-2023 00:23 106520 dmsp_18_ephemeris_20140109.txt 22-Jun-2023 00:23 106366