../ dmsp_15_ephemeris_20140422.txt 22-Jun-2023 16:37 109566 dmsp_16_ephemeris_20140422.txt 22-Jun-2023 16:37 109497 dmsp_17_ephemeris_20140422.txt 22-Jun-2023 16:37 109732 dmsp_18_ephemeris_20140422.txt 22-Jun-2023 16:37 109621 dmsp_19_ephemeris_20140422.txt 22-Jun-2023 16:37 109753