Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9 TLE Epoch: 2025 6 25. 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) 06/25/2025 22:11:52 ( -70.12, 23.32) 06/25/2025 22:12:46 ( -70.13, 23.26) 2.98 54 06/25/2025 23:02:37 ( 70.02,-169.23) 06/25/2025 23:02:13 ( 70.03,-169.24) 1.27 24 06/25/2025 23:53:04 ( -69.17, -0.67) 06/25/2025 23:51:56 ( -69.21, -2.74) 81.85 68 06/28/2025 14:28:48 ( -70.09, 139.13) 06/28/2025 14:29:17 ( -70.09, 139.07) 2.35 29 06/28/2025 15:19:33 ( 70.00, -53.43) 06/28/2025 15:18:44 ( 69.98, -53.43) 1.56 49 07/01/2025 05:55:04 ( 70.29, 87.27) 07/01/2025 05:56:15 ( 70.24, 87.54) 11.42 71 07/01/2025 06:45:43 ( -70.06,-105.06) 07/01/2025 06:45:46 ( -70.08,-105.06) 2.89 3 07/01/2025 07:36:27 ( 69.92, 62.45) 07/01/2025 07:35:14 ( 69.92, 62.36) 3.71 73 07/03/2025 22:11:57 ( 70.11,-156.69) 07/03/2025 22:12:47 ( 70.11,-156.77) 2.91 50 07/03/2025 23:02:39 ( -70.03, 10.75) 07/03/2025 23:02:17 ( -70.01, 10.72) 2.67 22 07/06/2025 14:28:53 ( 70.09, -40.90) 07/06/2025 14:29:17 ( 70.07, -40.94) 2.61 24 07/06/2025 15:19:35 ( -70.01, 126.55) 07/06/2025 15:18:47 ( -69.97, 126.55) 3.60 48