Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8 TLE Epoch: 2025 6 28. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon Distance(km) Time Diff(sec) 06/29/2025 21:46:46 ( 70.82,-151.47) 06/29/2025 21:47:54 ( 70.73,-149.69) 66.11 68 06/29/2025 22:37:15 ( -70.07, 17.04) 06/29/2025 22:37:34 ( -70.07, 16.98) 2.40 19 06/29/2025 23:28:00 ( 69.98,-175.52) 06/29/2025 23:27:01 ( 69.97,-175.53) 1.51 59 07/02/2025 14:03:30 ( 70.17, -34.67) 07/02/2025 14:04:34 ( 70.16, -34.65) 1.09 64 07/02/2025 14:54:11 ( -70.04, 132.84) 07/02/2025 14:54:04 ( -70.05, 132.83) 1.28 7 07/02/2025 15:44:48 ( 69.54, -59.10) 07/02/2025 15:43:37 ( 69.62, -60.13) 41.16 71 07/05/2025 06:20:25 ( 70.10, 81.21) 07/05/2025 06:21:04 ( 70.13, 81.19) 3.19 39 07/05/2025 07:11:07 ( -70.02,-111.35) 07/05/2025 07:10:34 ( -70.02,-111.33) 1.12 33 07/07/2025 21:46:49 ( -70.83, 28.49) 07/07/2025 21:47:57 ( -70.74, 30.33) 68.14 68 07/07/2025 22:37:21 ( 70.09,-163.01) 07/07/2025 22:37:34 ( 70.08,-163.00) 0.85 13 07/07/2025 23:28:03 ( -70.00, 4.44) 07/07/2025 23:27:04 ( -69.98, 4.50) 3.08 59 07/10/2025 14:03:31 ( -70.14, 145.37) 07/10/2025 14:04:36 ( -70.14, 145.33) 1.63 65 07/10/2025 14:54:15 ( 70.02, -47.15) 07/10/2025 14:54:03 ( 70.02, -47.19) 1.79 12 07/10/2025 15:44:50 ( -69.56, 120.86) 07/10/2025 15:43:39 ( -69.59, 119.85) 39.39 71