../ dmsp_15_ephemeris_20150514.txt 22-Jun-2023 00:28 109433 dmsp_16_ephemeris_20150514.txt 22-Jun-2023 00:28 109520 dmsp_17_ephemeris_20150514.txt 22-Jun-2023 00:28 109663 dmsp_18_ephemeris_20150514.txt 22-Jun-2023 00:28 109655 dmsp_19_ephemeris_20150514.txt 22-Jun-2023 00:28 109724