../ dmsp_15_ephemeris_20151205.txt 22-Jun-2023 00:29 109438 dmsp_16_ephemeris_20151205.txt 22-Jun-2023 00:29 109315 dmsp_17_ephemeris_20151205.txt 22-Jun-2023 00:29 109354 dmsp_18_ephemeris_20151205.txt 22-Jun-2023 00:29 109335 dmsp_19_ephemeris_20151205.txt 22-Jun-2023 00:29 109347