../ dmsp_15_ephemeris_20150701.txt 22-Jun-2023 00:28 109461 dmsp_16_ephemeris_20150701.txt 22-Jun-2023 00:28 109550 dmsp_17_ephemeris_20150701.txt 22-Jun-2023 00:28 109584 dmsp_18_ephemeris_20150701.txt 22-Jun-2023 00:28 109426 dmsp_19_ephemeris_20150701.txt 22-Jun-2023 00:28 109596