../ dmsp_08_ephemeris_19940915.txt 21-Jun-2023 23:46 243 dmsp_10_ephemeris_19940915.txt 21-Jun-2023 23:46 109666 dmsp_11_ephemeris_19940915.txt 21-Jun-2023 23:46 109783 dmsp_12_ephemeris_19940915.txt 21-Jun-2023 23:46 243