../ dmsp_15_ephemeris_20160707.txt 22-Jun-2023 00:31 109474 dmsp_16_ephemeris_20160707.txt 22-Jun-2023 00:31 109508 dmsp_17_ephemeris_20160707.txt 22-Jun-2023 00:31 109633 dmsp_18_ephemeris_20160707.txt 22-Jun-2023 00:31 109596 dmsp_19_ephemeris_20160707.txt 22-Jun-2023 00:31 109648