../ dmsp_15_ephemeris_20120107.txt 22-Jun-2023 00:19 106593 dmsp_16_ephemeris_20120107.txt 22-Jun-2023 00:19 106261 dmsp_17_ephemeris_20120107.txt 22-Jun-2023 00:19 106557 dmsp_18_ephemeris_20120107.txt 22-Jun-2023 00:19 106622