../ dmsp_13_ephemeris_20090520.txt 22-Jun-2023 00:12 109664 dmsp_14_ephemeris_20090520.txt 22-Jun-2023 00:12 109652 dmsp_15_ephemeris_20090520.txt 22-Jun-2023 00:12 109724 dmsp_16_ephemeris_20090520.txt 22-Jun-2023 00:12 109498 dmsp_17_ephemeris_20090520.txt 22-Jun-2023 00:12 109549