../ dmsp_15_ephemeris_20140110.txt 22-Jun-2023 16:36 108020 dmsp_16_ephemeris_20140110.txt 22-Jun-2023 16:36 107923 dmsp_17_ephemeris_20140110.txt 22-Jun-2023 16:36 107820 dmsp_18_ephemeris_20140110.txt 22-Jun-2023 16:36 107913