../ dmsp_15_ephemeris_20150703.txt 22-Jun-2023 00:28 109303 dmsp_16_ephemeris_20150703.txt 22-Jun-2023 00:28 109456 dmsp_17_ephemeris_20150703.txt 22-Jun-2023 00:28 109587 dmsp_18_ephemeris_20150703.txt 22-Jun-2023 00:28 109644 dmsp_19_ephemeris_20150703.txt 22-Jun-2023 00:28 109656