../ dmsp_15_ephemeris_20151207.txt 22-Jun-2023 16:43 109371 dmsp_16_ephemeris_20151207.txt 22-Jun-2023 16:43 109458 dmsp_17_ephemeris_20151207.txt 22-Jun-2023 16:43 109342 dmsp_18_ephemeris_20151207.txt 22-Jun-2023 16:43 109321 dmsp_19_ephemeris_20151207.txt 22-Jun-2023 16:43 109339