../ dmsp_15_ephemeris_20151214.txt 22-Jun-2023 00:29 109330 dmsp_16_ephemeris_20151214.txt 22-Jun-2023 00:29 109317 dmsp_17_ephemeris_20151214.txt 22-Jun-2023 00:29 109330 dmsp_18_ephemeris_20151214.txt 22-Jun-2023 00:29 109312 dmsp_19_ephemeris_20151214.txt 22-Jun-2023 00:29 109371