Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/27/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 03/11/2025 | 19:28:18 | 74.73,-124.73 | 78.56 | 03/11/2025 | 19:29:23 | 74.64,-121.37 | 78.25 | 99.14 | 65 |
| 2 | 03/11/2025 | 20:19:00 | -74.62, 42.88 | 101.58 | 03/11/2025 | 20:20:07 | -74.54, 45.69 | 101.86 | 83.63 | 67 |
| 3 | 03/11/2025 | 21:09:41 | 74.40,-149.21 | 78.15 | 03/11/2025 | 21:10:51 | 74.34,-147.50 | 77.96 | 51.67 | 70 |
| 4 | 03/11/2025 | 22:00:24 | -74.34, 18.25 | 101.94 | 03/11/2025 | 22:01:34 | -74.29, 19.69 | 102.10 | 43.67 | 70 |
| 5 | 03/11/2025 | 22:51:05 | 74.11,-173.85 | 77.79 | 03/11/2025 | 22:52:18 | 74.08,-173.49 | 77.72 | 11.68 | 73 |
| 6 | 03/11/2025 | 23:41:48 | -74.05, -6.40 | 102.29 | 03/11/2025 | 23:43:01 | -74.03, -6.29 | 102.34 | 4.23 | 73 |
| 7 | 03/12/2025 | 00:32:33 | 74.01, 161.00 | 77.66 | 03/12/2025 | 00:33:41 | 74.02, 161.02 | 77.64 | 0.78 | 68 |
| 8 | 03/12/2025 | 01:23:17 | -74.01, -31.66 | 102.37 | 03/12/2025 | 01:24:23 | -74.02, -31.65 | 102.38 | 1.08 | 66 |
| 9 | 03/12/2025 | 02:14:03 | 74.02, 135.61 | 77.64 | 03/12/2025 | 02:15:03 | 74.01, 135.65 | 77.60 | 2.17 | 60 |
| 10 | 03/12/2025 | 03:04:47 | -74.01, -57.05 | 102.39 | 03/12/2025 | 03:05:45 | -74.00, -57.02 | 102.42 | 1.29 | 58 |
| 11 | 03/12/2025 | 03:55:32 | 73.98, 110.34 | 77.56 | 03/12/2025 | 03:56:25 | 73.99, 110.29 | 77.57 | 2.53 | 53 |
| 12 | 03/12/2025 | 04:46:17 | -74.02, -82.44 | 102.41 | 03/12/2025 | 04:47:07 | -73.99, -82.39 | 102.45 | 3.22 | 50 |
| 13 | 03/12/2025 | 05:37:02 | 73.98, 84.95 | 77.54 | 03/12/2025 | 05:37:47 | 73.98, 84.92 | 77.53 | 1.15 | 45 |
| 14 | 03/12/2025 | 06:27:46 | -73.98,-107.71 | 102.49 | 03/12/2025 | 06:28:29 | -73.98,-107.76 | 102.49 | 1.71 | 43 |
| 15 | 03/12/2025 | 07:18:32 | 73.99, 59.56 | 77.52 | 03/12/2025 | 07:19:09 | 73.97, 59.55 | 77.49 | 2.17 | 37 |
| 16 | 03/12/2025 | 08:09:15 | -73.98,-133.10 | 102.51 | 03/12/2025 | 08:09:50 | -73.97,-133.13 | 102.53 | 1.57 | 35 |
| 17 | 03/12/2025 | 09:00:00 | 73.95, 34.29 | 77.44 | 03/12/2025 | 09:00:30 | 73.96, 34.18 | 77.45 | 3.89 | 30 |
| 18 | 03/12/2025 | 09:50:45 | -73.99,-158.49 | 102.53 | 03/12/2025 | 09:51:12 | -73.96,-158.50 | 102.57 | 3.21 | 27 |
| 19 | 03/12/2025 | 10:41:30 | 73.95, 8.91 | 77.42 | 03/12/2025 | 10:41:52 | 73.95, 8.81 | 77.42 | 3.05 | 22 |
| 20 | 03/12/2025 | 11:32:14 | -73.94, 176.24 | 102.61 | 03/12/2025 | 11:32:34 | -73.95, 176.13 | 102.60 | 3.46 | 20 |
| 21 | 03/12/2025 | 12:23:00 | 73.96, -16.48 | 77.40 | 03/12/2025 | 12:23:13 | 73.99, -16.44 | 77.42 | 3.26 | 13 |
| 22 | 03/12/2025 | 13:13:44 | -73.95, 150.85 | 102.63 | 03/12/2025 | 13:13:56 | -73.93, 150.76 | 102.64 | 3.26 | 12 |
| 23 | 03/12/2025 | 14:04:30 | 73.96, -41.87 | 77.38 | 03/12/2025 | 14:04:35 | 73.97, -41.81 | 77.38 | 2.15 | 5 |
| 24 | 03/12/2025 | 14:55:14 | -73.96, 125.46 | 102.65 | 03/12/2025 | 14:55:17 | -73.97, 125.51 | 102.64 | 2.40 | 3 |
| 25 | 03/12/2025 | 15:46:00 | 73.97, -67.26 | 77.36 | 03/12/2025 | 15:45:57 | 73.96, -67.18 | 77.35 | 2.68 | 3 |
| 26 | 03/12/2025 | 16:36:44 | -73.96, 100.08 | 102.67 | 03/12/2025 | 16:36:39 | -73.96, 100.14 | 102.67 | 2.02 | 5 |
| 27 | 03/12/2025 | 17:27:29 | 73.93, -92.53 | 77.28 | 03/12/2025 | 17:27:19 | 73.95, -92.55 | 77.31 | 2.61 | 10 |
| 28 | 03/12/2025 | 18:18:14 | -73.97, 74.69 | 102.69 | 03/12/2025 | 18:18:01 | -73.95, 74.77 | 102.71 | 3.28 | 13 |
| 29 | 03/12/2025 | 19:08:59 | 73.93,-117.92 | 77.26 | 03/12/2025 | 19:08:41 | 73.94,-117.92 | 77.27 | 0.56 | 18 |
| 30 | 03/12/2025 | 19:59:43 | -73.92, 49.42 | 102.77 | 03/12/2025 | 19:59:23 | -73.94, 49.40 | 102.75 | 1.60 | 20 |
| 31 | 03/12/2025 | 20:50:29 | 73.94,-143.31 | 77.24 | 03/12/2025 | 20:50:03 | 73.93,-143.29 | 77.23 | 1.57 | 26 |
| 32 | 03/12/2025 | 21:41:13 | -73.93, 24.03 | 102.79 | 03/12/2025 | 21:40:45 | -73.93, 24.03 | 102.79 | 0.45 | 28 |
| 33 | 03/12/2025 | 22:31:58 | 73.90,-168.58 | 77.16 | 03/12/2025 | 22:31:25 | 73.92,-168.66 | 77.19 | 3.19 | 33 |
| 34 | 03/12/2025 | 23:22:43 | -73.94, -1.36 | 102.81 | 03/12/2025 | 23:22:07 | -73.91, -1.34 | 102.83 | 2.51 | 36 |
| 35 | 03/13/2025 | 00:13:28 | 73.90, 166.03 | 77.14 | 03/13/2025 | 00:12:47 | 73.90, 165.97 | 77.16 | 1.81 | 41 |
| 36 | 03/13/2025 | 01:04:12 | -73.89, -26.63 | 102.89 | 03/13/2025 | 01:03:29 | -73.90, -26.70 | 102.86 | 2.56 | 43 |
| 37 | 03/13/2025 | 01:54:58 | 73.91, 140.64 | 77.12 | 03/13/2025 | 01:54:09 | 73.89, 140.60 | 77.12 | 2.26 | 49 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 2/27/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 02/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B