../ dmsp_15_ephemeris_20120103.txt 22-Jun-2023 00:19 106360 dmsp_16_ephemeris_20120103.txt 22-Jun-2023 00:19 106328 dmsp_17_ephemeris_20120103.txt 22-Jun-2023 00:19 106476 dmsp_18_ephemeris_20120103.txt 22-Jun-2023 00:19 106481