../ dmsp_15_ephemeris_20150822.txt 22-Jun-2023 16:16 109490 dmsp_16_ephemeris_20150822.txt 22-Jun-2023 16:16 109650 dmsp_17_ephemeris_20150822.txt 22-Jun-2023 16:16 109833 dmsp_18_ephemeris_20150822.txt 22-Jun-2023 16:16 109670 dmsp_19_ephemeris_20150822.txt 22-Jun-2023 16:16 109641