../ dmsp_15_ephemeris_20150312.txt 22-Jun-2023 16:15 108250 dmsp_16_ephemeris_20150312.txt 22-Jun-2023 16:15 108234 dmsp_17_ephemeris_20150312.txt 22-Jun-2023 16:15 108191 dmsp_18_ephemeris_20150312.txt 22-Jun-2023 16:15 108301 dmsp_19_ephemeris_20150312.txt 22-Jun-2023 16:15 108090