../ dmsp_15_ephemeris_20150209.txt 22-Jun-2023 00:27 108158 dmsp_16_ephemeris_20150209.txt 22-Jun-2023 00:27 108066 dmsp_17_ephemeris_20150209.txt 22-Jun-2023 00:27 108013 dmsp_18_ephemeris_20150209.txt 22-Jun-2023 00:27 107941 dmsp_19_ephemeris_20150209.txt 22-Jun-2023 00:27 108114