../ dmsp_15_ephemeris_20140816.txt 22-Jun-2023 00:25 109556 dmsp_16_ephemeris_20140816.txt 22-Jun-2023 00:25 109545 dmsp_17_ephemeris_20140816.txt 22-Jun-2023 00:25 109712 dmsp_18_ephemeris_20140816.txt 22-Jun-2023 00:25 109638 dmsp_19_ephemeris_20140816.txt 22-Jun-2023 00:25 109585