../ dmsp_15_ephemeris_20151116.txt 22-Jun-2023 00:29 109497 dmsp_16_ephemeris_20151116.txt 22-Jun-2023 00:29 109352 dmsp_17_ephemeris_20151116.txt 22-Jun-2023 00:29 109400 dmsp_18_ephemeris_20151116.txt 22-Jun-2023 00:29 109357 dmsp_19_ephemeris_20151116.txt 22-Jun-2023 00:29 109481