../ dmsp_15_ephemeris_20160803.txt 22-Jun-2023 00:31 109648 dmsp_16_ephemeris_20160803.txt 22-Jun-2023 00:31 109598 dmsp_17_ephemeris_20160803.txt 22-Jun-2023 00:31 109695 dmsp_18_ephemeris_20160803.txt 22-Jun-2023 00:31 109676 dmsp_19_ephemeris_20160803.txt 22-Jun-2023 00:31 109757