../ dmsp_15_ephemeris_20160522.txt 22-Jun-2023 00:31 109438 dmsp_16_ephemeris_20160522.txt 22-Jun-2023 00:31 109498 dmsp_17_ephemeris_20160522.txt 22-Jun-2023 00:31 109734 dmsp_18_ephemeris_20160522.txt 22-Jun-2023 00:31 109552 dmsp_19_ephemeris_20160522.txt 22-Jun-2023 00:31 109693