../ dmsp_15_ephemeris_20160916.txt 22-Jun-2023 16:19 109598 dmsp_16_ephemeris_20160916.txt 22-Jun-2023 16:19 109621 dmsp_17_ephemeris_20160916.txt 22-Jun-2023 16:19 109669 dmsp_18_ephemeris_20160916.txt 22-Jun-2023 16:19 109563 dmsp_19_ephemeris_20160916.txt 22-Jun-2023 16:19 109656