../ dmsp_11_ephemeris_19991123.txt 21-Jun-2023 23:53 109522 dmsp_12_ephemeris_19991123.txt 21-Jun-2023 23:53 109446 dmsp_13_ephemeris_19991123.txt 21-Jun-2023 23:53 109354 dmsp_14_ephemeris_19991123.txt 21-Jun-2023 23:53 109289