Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9 TLE Epoch: 2025 7 5. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon Distance(km) Time Diff(sec) 07/06/2025 14:28:53 ( 70.08, -40.88) 07/06/2025 14:29:17 ( 70.08, -40.93) 1.66 24 07/06/2025 15:19:34 ( -69.95, 126.63) 07/06/2025 15:18:47 ( -69.97, 126.55) 3.41 47 07/09/2025 05:55:06 ( -70.30, -92.76) 07/09/2025 05:56:17 ( -70.24, -92.46) 13.48 71 07/09/2025 06:45:48 ( 70.07, 74.90) 07/09/2025 06:45:45 ( 70.07, 74.95) 1.98 3 07/09/2025 07:36:29 ( -69.94,-117.58) 07/09/2025 07:35:15 ( -69.97,-117.57) 3.25 74 07/11/2025 22:11:59 ( -70.13, 23.27) 07/11/2025 22:12:48 ( -70.11, 23.24) 2.60 49 07/11/2025 23:02:43 ( 70.01,-169.24) 07/11/2025 23:02:15 ( 70.00,-169.27) 1.99 28 07/14/2025 13:38:28 ( 71.00, -29.69) 07/14/2025 13:39:34 ( 70.89, -27.35) 86.02 66 07/14/2025 14:28:54 ( -70.06, 139.13) 07/14/2025 14:29:17 ( -70.07, 139.08) 2.22 23 07/14/2025 15:19:38 ( 69.95, -53.39) 07/14/2025 15:18:44 ( 69.96, -53.44) 1.86 54 07/17/2025 05:55:08 ( 70.16, 87.44) 07/17/2025 05:56:15 ( 70.17, 87.48) 2.26 67 07/17/2025 06:45:50 ( -70.06,-105.09) 07/17/2025 06:45:45 ( -70.08,-105.03) 3.09 5 07/17/2025 07:36:28 ( 69.64, 62.85) 07/17/2025 07:35:17 ( 69.68, 62.07) 30.68 71