../ dmsp_14_ephemeris_20100721.txt 22-Jun-2023 00:15 109464 dmsp_15_ephemeris_20100721.txt 22-Jun-2023 00:15 109580 dmsp_16_ephemeris_20100721.txt 22-Jun-2023 00:15 109588 dmsp_17_ephemeris_20100721.txt 22-Jun-2023 00:15 109656 dmsp_18_ephemeris_20100721.txt 22-Jun-2023 00:15 109672