../ dmsp_15_ephemeris_20140104.txt 22-Jun-2023 00:23 106498 dmsp_16_ephemeris_20140104.txt 22-Jun-2023 00:23 106480 dmsp_17_ephemeris_20140104.txt 22-Jun-2023 00:23 106465 dmsp_18_ephemeris_20140104.txt 22-Jun-2023 00:23 106445