../ dmsp_15_ephemeris_20131016.txt 22-Jun-2023 16:15 109552 dmsp_16_ephemeris_20131016.txt 22-Jun-2023 16:15 109589 dmsp_17_ephemeris_20131016.txt 22-Jun-2023 16:15 109552 dmsp_18_ephemeris_20131016.txt 22-Jun-2023 16:15 109611