../ dmsp_08_ephemeris_19920430.txt 21-Jun-2023 23:44 109292 dmsp_09_ephemeris_19920430.txt 21-Jun-2023 23:44 109447 dmsp_10_ephemeris_19920430.txt 21-Jun-2023 23:44 109708 dmsp_11_ephemeris_19920430.txt 21-Jun-2023 23:44 109696