../ dmsp_15_ephemeris_20150106.txt 22-Jun-2023 00:26 106446 dmsp_16_ephemeris_20150106.txt 22-Jun-2023 00:26 106531 dmsp_17_ephemeris_20150106.txt 22-Jun-2023 00:26 106477 dmsp_18_ephemeris_20150106.txt 22-Jun-2023 00:26 106410 dmsp_19_ephemeris_20150106.txt 22-Jun-2023 00:26 106463