../ dmsp_15_ephemeris_20150926.txt 22-Jun-2023 00:29 109591 dmsp_16_ephemeris_20150926.txt 22-Jun-2023 00:29 109543 dmsp_17_ephemeris_20150926.txt 22-Jun-2023 00:29 109614 dmsp_18_ephemeris_20150926.txt 22-Jun-2023 00:29 109596 dmsp_19_ephemeris_20150926.txt 22-Jun-2023 00:29 109732