../ dmsp_10_ephemeris_19981211.txt 21-Jun-2023 23:52 109401 dmsp_11_ephemeris_19981211.txt 21-Jun-2023 23:52 109453 dmsp_12_ephemeris_19981211.txt 21-Jun-2023 23:52 109312 dmsp_13_ephemeris_19981211.txt 21-Jun-2023 23:52 109369 dmsp_14_ephemeris_19981211.txt 21-Jun-2023 23:52 109477