../ dmsp_15_ephemeris_20130322.txt 22-Jun-2023 00:21 108188 dmsp_16_ephemeris_20130322.txt 22-Jun-2023 00:21 108210 dmsp_17_ephemeris_20130322.txt 22-Jun-2023 00:21 108374 dmsp_18_ephemeris_20130322.txt 22-Jun-2023 00:21 108262