../ dmsp_15_ephemeris_20150705.txt 22-Jun-2023 00:28 109492 dmsp_16_ephemeris_20150705.txt 22-Jun-2023 00:28 109594 dmsp_17_ephemeris_20150705.txt 22-Jun-2023 00:28 109726 dmsp_18_ephemeris_20150705.txt 22-Jun-2023 00:28 109536 dmsp_19_ephemeris_20150705.txt 22-Jun-2023 00:28 109515