../ dmsp_15_ephemeris_20170105.txt 22-Jun-2023 00:33 106557 dmsp_16_ephemeris_20170105.txt 22-Jun-2023 00:33 106457 dmsp_17_ephemeris_20170105.txt 22-Jun-2023 00:33 106478 dmsp_18_ephemeris_20170105.txt 22-Jun-2023 00:33 106419