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: 3/12/2025
| 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 | 03/12/2025 | 03:55:33 | 74.00, 110.27 | 77.59 | 03/12/2025 | 03:56:26 | 73.98, 110.24 | 77.56 | 2.28 | 53 |
| 2 | 03/12/2025 | 04:46:17 | -74.01, -82.42 | 102.42 | 03/12/2025 | 04:47:07 | -74.02, -82.34 | 102.43 | 2.84 | 50 |
| 3 | 03/12/2025 | 05:37:03 | 74.01, 84.88 | 77.57 | 03/12/2025 | 05:37:47 | 74.02, 85.00 | 77.56 | 3.85 | 44 |
| 4 | 03/12/2025 | 06:27:47 | -74.01,-107.81 | 102.44 | 03/12/2025 | 06:28:29 | -74.01,-107.71 | 102.47 | 3.15 | 42 |
| 5 | 03/12/2025 | 07:18:32 | 73.97, 59.61 | 77.49 | 03/12/2025 | 07:19:10 | 73.96, 59.51 | 77.49 | 3.25 | 38 |
| 6 | 03/12/2025 | 08:09:16 | -73.97,-133.08 | 102.52 | 03/12/2025 | 08:09:51 | -74.00,-133.08 | 102.50 | 3.21 | 35 |
| 7 | 03/12/2025 | 09:00:02 | 73.97, 34.23 | 77.47 | 03/12/2025 | 09:00:32 | 73.95, 34.14 | 77.45 | 3.37 | 30 |
| 8 | 03/12/2025 | 09:50:46 | -73.97,-158.47 | 102.54 | 03/12/2025 | 09:51:13 | -73.99,-158.45 | 102.54 | 1.55 | 27 |
| 9 | 03/12/2025 | 10:41:32 | 73.98, 8.84 | 77.45 | 03/12/2025 | 10:41:53 | 73.99, 8.89 | 77.45 | 2.29 | 21 |
| 10 | 03/12/2025 | 11:32:16 | -73.98, 176.15 | 102.57 | 03/12/2025 | 11:32:35 | -73.98, 176.19 | 102.58 | 1.32 | 19 |
| 11 | 03/12/2025 | 12:23:02 | 73.98, -16.55 | 77.43 | 03/12/2025 | 12:23:15 | 73.98, -16.47 | 77.42 | 2.32 | 13 |
| 12 | 03/12/2025 | 13:13:46 | -73.99, 150.76 | 102.59 | 03/12/2025 | 13:13:57 | -73.97, 150.82 | 102.61 | 2.89 | 11 |
| 13 | 03/12/2025 | 14:04:31 | 73.94, -41.82 | 77.35 | 03/12/2025 | 14:04:37 | 73.97, -41.84 | 77.38 | 3.47 | 6 |
| 14 | 03/12/2025 | 14:55:15 | -73.94, 125.49 | 102.67 | 03/12/2025 | 14:55:19 | -73.95, 125.45 | 102.65 | 1.89 | 4 |
| 15 | 03/12/2025 | 15:46:01 | 73.94, -67.20 | 77.33 | 03/12/2025 | 15:45:59 | 73.96, -67.21 | 77.34 | 1.55 | 2 |
| 16 | 03/12/2025 | 16:36:45 | -73.95, 100.10 | 102.69 | 03/12/2025 | 16:36:41 | -73.94, 100.08 | 102.69 | 0.67 | 4 |
| 17 | 03/12/2025 | 17:27:31 | 73.95, -92.59 | 77.31 | 03/12/2025 | 17:27:21 | 73.95, -92.58 | 77.31 | 0.57 | 10 |
| 18 | 03/12/2025 | 18:18:15 | -73.95, 74.72 | 102.71 | 03/12/2025 | 18:18:03 | -73.93, 74.72 | 102.73 | 2.15 | 12 |
| 19 | 03/12/2025 | 19:09:01 | 73.95,-117.98 | 77.28 | 03/12/2025 | 19:08:43 | 73.94,-117.95 | 77.27 | 2.41 | 18 |
| 20 | 03/12/2025 | 19:59:44 | -73.91, 49.45 | 102.79 | 03/12/2025 | 19:59:25 | -73.92, 49.35 | 102.76 | 3.38 | 19 |
| 21 | 03/12/2025 | 20:50:30 | 73.91,-143.25 | 77.21 | 03/12/2025 | 20:50:05 | 73.92,-143.31 | 77.23 | 2.48 | 25 |
| 22 | 03/12/2025 | 21:41:14 | -73.91, 24.06 | 102.81 | 03/12/2025 | 21:40:47 | -73.91, 23.98 | 102.80 | 2.43 | 27 |
| 23 | 03/12/2025 | 22:32:00 | 73.92,-168.64 | 77.19 | 03/12/2025 | 22:31:27 | 73.91,-168.68 | 77.19 | 1.38 | 33 |
| 24 | 03/12/2025 | 23:22:44 | -73.92, -1.33 | 102.83 | 03/12/2025 | 23:22:09 | -73.90, -1.39 | 102.84 | 2.78 | 35 |
| 25 | 03/13/2025 | 00:13:30 | 73.92, 165.97 | 77.16 | 03/13/2025 | 00:12:49 | 73.90, 165.95 | 77.16 | 2.30 | 41 |
| 26 | 03/13/2025 | 01:04:14 | -73.92, -26.72 | 102.85 | 03/13/2025 | 01:03:30 | -73.94, -26.64 | 102.83 | 2.92 | 44 |
| 27 | 03/13/2025 | 01:55:00 | 73.93, 140.59 | 77.14 | 03/13/2025 | 01:54:10 | 73.94, 140.70 | 77.16 | 3.87 | 50 |
| 28 | 03/13/2025 | 02:45:44 | -73.93, -52.10 | 102.87 | 03/13/2025 | 02:44:52 | -73.93, -52.00 | 102.87 | 3.09 | 52 |
| 29 | 03/13/2025 | 03:36:29 | 73.88, 115.32 | 77.06 | 03/13/2025 | 03:35:33 | 73.88, 115.22 | 77.08 | 3.17 | 56 |
| 30 | 03/13/2025 | 04:27:13 | -73.89, -77.37 | 102.95 | 03/13/2025 | 04:26:14 | -73.92, -77.37 | 102.91 | 3.40 | 59 |
| 31 | 03/13/2025 | 05:17:59 | 73.89, 89.93 | 77.04 | 03/13/2025 | 05:16:55 | 73.87, 89.85 | 77.05 | 3.38 | 64 |
| 32 | 03/13/2025 | 06:08:43 | -73.89,-102.76 | 102.97 | 03/13/2025 | 06:07:36 | -73.91,-102.74 | 102.94 | 1.70 | 67 |
| 33 | 03/13/2025 | 06:59:29 | 73.90, 64.54 | 77.02 | 03/13/2025 | 06:58:16 | 73.91, 64.60 | 77.05 | 2.27 | 73 |
| 34 | 03/13/2025 | 07:50:12 | -73.90,-128.15 | 103.00 | 03/13/2025 | 07:48:57 | -73.90,-128.11 | 102.98 | 1.29 | 75 |
| 35 | 03/13/2025 | 08:40:53 | 73.65, 39.74 | 76.72 | 03/13/2025 | 08:39:41 | 73.70, 38.76 | 76.85 | 31.03 | 72 |
| 36 | 03/13/2025 | 09:31:36 | -73.61,-152.83 | 103.35 | 03/13/2025 | 09:30:24 | -73.64,-154.05 | 103.22 | 38.43 | 72 |
| 37 | 03/13/2025 | 10:22:17 | 73.36, 15.04 | 76.36 | 03/13/2025 | 10:21:09 | 73.38, 12.72 | 76.56 | 74.09 | 68 |
| 38 | 03/13/2025 | 11:13:00 | -73.31,-177.54 | 103.71 | 03/13/2025 | 11:11:52 | -73.32, 179.91 | 103.51 | 81.52 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 3/12/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 03/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B