../ dmsp_15_ephemeris_20160427.txt 22-Jun-2023 16:23 109462 dmsp_16_ephemeris_20160427.txt 22-Jun-2023 16:23 109634 dmsp_17_ephemeris_20160427.txt 22-Jun-2023 16:23 109641 dmsp_18_ephemeris_20160427.txt 22-Jun-2023 16:23 109639 dmsp_19_ephemeris_20160427.txt 22-Jun-2023 16:23 109672