../ dmsp_15_ephemeris_20160423.txt 22-Jun-2023 00:31 109636 dmsp_16_ephemeris_20160423.txt 22-Jun-2023 00:31 109579 dmsp_17_ephemeris_20160423.txt 22-Jun-2023 00:31 109672 dmsp_18_ephemeris_20160423.txt 22-Jun-2023 00:31 109689 dmsp_19_ephemeris_20160423.txt 22-Jun-2023 00:31 109747