../ dmsp_15_ephemeris_20140921.txt 22-Jun-2023 00:26 109561 dmsp_16_ephemeris_20140921.txt 22-Jun-2023 00:26 109593 dmsp_17_ephemeris_20140921.txt 22-Jun-2023 00:26 109549 dmsp_18_ephemeris_20140921.txt 22-Jun-2023 00:26 109596 dmsp_19_ephemeris_20140921.txt 22-Jun-2023 00:26 109688