../ dmsp_10_ephemeris_19980718.txt 21-Jun-2023 23:51 109490 dmsp_11_ephemeris_19980718.txt 21-Jun-2023 23:51 109751 dmsp_12_ephemeris_19980718.txt 21-Jun-2023 23:51 109611 dmsp_13_ephemeris_19980718.txt 21-Jun-2023 23:51 109700 dmsp_14_ephemeris_19980718.txt 21-Jun-2023 23:51 109770