../ dmsp_08_ephemeris_19920819.txt 21-Jun-2023 23:44 109289 dmsp_09_ephemeris_19920819.txt 21-Jun-2023 23:44 109372 dmsp_10_ephemeris_19920819.txt 21-Jun-2023 23:44 109535 dmsp_11_ephemeris_19920819.txt 21-Jun-2023 23:44 109800