Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/29/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 11/01/2025 | 02:25:44 | 73.34, 134.13 | 87.79 | 11/01/2025 | 02:26:51 | 73.32, 136.68 | 87.72 | 81.17 | 67 |
| 2 | 11/01/2025 | 03:16:26 | -73.27, -58.38 | 92.28 | 11/01/2025 | 03:17:35 | -73.21, -56.24 | 92.38 | 69.08 | 69 |
| 3 | 11/01/2025 | 04:07:08 | 73.05, 109.40 | 87.51 | 11/01/2025 | 04:08:19 | 73.00, 110.63 | 87.43 | 40.54 | 71 |
| 4 | 11/01/2025 | 04:57:50 | -72.98, -83.13 | 92.56 | 11/01/2025 | 04:59:02 | -72.94, -82.17 | 92.63 | 31.66 | 72 |
| 5 | 11/01/2025 | 05:48:32 | 72.76, 84.64 | 87.23 | 11/01/2025 | 05:49:46 | 72.73, 84.72 | 87.18 | 4.83 | 74 |
| 6 | 11/01/2025 | 06:39:15 | -72.74,-107.99 | 92.79 | 11/01/2025 | 06:40:28 | -72.72,-107.97 | 92.82 | 2.63 | 73 |
| 7 | 11/01/2025 | 07:30:01 | 72.72, 59.35 | 87.21 | 11/01/2025 | 07:31:08 | 72.71, 59.34 | 87.19 | 2.13 | 67 |
| 8 | 11/01/2025 | 08:20:44 | -72.70,-133.29 | 92.81 | 11/01/2025 | 08:21:50 | -72.70,-133.35 | 92.81 | 2.15 | 66 |
| 9 | 11/01/2025 | 09:11:30 | 72.69, 34.06 | 87.19 | 11/01/2025 | 09:12:30 | 72.69, 33.95 | 87.19 | 3.41 | 60 |
| 10 | 11/01/2025 | 10:02:14 | -72.71,-158.68 | 92.77 | 11/01/2025 | 10:03:11 | -72.73,-158.63 | 92.76 | 2.55 | 57 |
| 11 | 11/01/2025 | 10:53:00 | 72.70, 8.66 | 87.23 | 11/01/2025 | 10:53:51 | 72.72, 8.68 | 87.24 | 2.20 | 51 |
| 12 | 11/01/2025 | 11:43:44 | -72.73, 175.92 | 92.74 | 11/01/2025 | 11:44:33 | -72.71, 175.99 | 92.76 | 3.01 | 49 |
| 13 | 11/01/2025 | 12:34:30 | 72.71, -16.74 | 87.26 | 11/01/2025 | 12:35:13 | 72.70, -16.70 | 87.24 | 1.84 | 43 |
| 14 | 11/01/2025 | 13:25:13 | -72.69, 150.62 | 92.76 | 11/01/2025 | 13:25:55 | -72.69, 150.61 | 92.76 | 0.58 | 42 |
| 15 | 11/01/2025 | 14:15:59 | 72.67, -42.03 | 87.24 | 11/01/2025 | 14:16:35 | 72.68, -42.09 | 87.25 | 1.88 | 36 |
| 16 | 11/01/2025 | 15:06:43 | -72.70, 125.23 | 92.72 | 11/01/2025 | 15:07:17 | -72.67, 125.23 | 92.75 | 3.18 | 34 |
| 17 | 11/01/2025 | 15:57:29 | 72.68, -67.43 | 87.28 | 11/01/2025 | 15:57:57 | 72.65, -67.47 | 87.25 | 3.17 | 28 |
| 18 | 11/01/2025 | 16:48:12 | -72.66, 99.93 | 92.74 | 11/01/2025 | 16:48:39 | -72.65, 99.85 | 92.75 | 3.02 | 27 |
| 19 | 11/01/2025 | 17:38:59 | 72.69, -92.83 | 87.31 | 11/01/2025 | 17:39:18 | 72.69, -92.74 | 87.30 | 2.90 | 19 |
| 20 | 11/01/2025 | 18:29:42 | -72.67, 74.54 | 92.71 | 11/01/2025 | 18:30:00 | -72.68, 74.57 | 92.70 | 1.57 | 18 |
| 21 | 11/01/2025 | 19:20:28 | 72.65,-118.12 | 87.29 | 11/01/2025 | 19:20:40 | 72.67,-118.13 | 87.30 | 1.27 | 12 |
| 22 | 11/01/2025 | 20:11:12 | -72.68, 49.14 | 92.67 | 11/01/2025 | 20:11:22 | -72.66, 49.19 | 92.70 | 3.01 | 10 |
| 23 | 11/01/2025 | 21:01:58 | 72.67,-143.52 | 87.33 | 11/01/2025 | 21:02:02 | 72.64,-143.51 | 87.31 | 2.35 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.64, 23.84 | 92.69 | 11/01/2025 | 21:52:44 | -72.64, 23.81 | 92.69 | 1.23 | 3 |
| 25 | 11/01/2025 | 22:43:27 | 72.63,-168.81 | 87.31 | 11/01/2025 | 22:43:24 | 72.62,-168.89 | 87.31 | 2.50 | 3 |
| 26 | 11/01/2025 | 23:34:11 | -72.66, -1.55 | 92.66 | 11/01/2025 | 23:34:05 | -72.67, -1.47 | 92.64 | 3.32 | 6 |
| 27 | 11/02/2025 | 00:24:57 | 72.64, 165.79 | 87.34 | 11/02/2025 | 00:24:45 | 72.66, 165.83 | 87.36 | 2.40 | 12 |
| 28 | 11/02/2025 | 01:15:41 | -72.67, -26.95 | 92.62 | 11/02/2025 | 01:15:27 | -72.65, -26.85 | 92.64 | 3.81 | 14 |
| 29 | 11/02/2025 | 02:06:27 | 72.65, 140.39 | 87.38 | 11/02/2025 | 02:06:07 | 72.63, 140.45 | 87.36 | 2.69 | 20 |
| 30 | 11/02/2025 | 02:57:10 | -72.63, -52.24 | 92.64 | 11/02/2025 | 02:56:49 | -72.63, -52.23 | 92.64 | 0.58 | 21 |
| 31 | 11/02/2025 | 03:47:56 | 72.61, 115.10 | 87.36 | 11/02/2025 | 03:47:29 | 72.61, 115.07 | 87.37 | 0.91 | 27 |
| 32 | 11/02/2025 | 04:38:40 | -72.64, -77.64 | 92.61 | 11/02/2025 | 04:38:11 | -72.61, -77.61 | 92.63 | 3.36 | 29 |
| 33 | 11/02/2025 | 05:29:26 | 72.62, 89.70 | 87.39 | 11/02/2025 | 05:28:51 | 72.59, 89.69 | 87.37 | 3.23 | 35 |
| 34 | 11/02/2025 | 06:20:09 | -72.60,-102.94 | 92.62 | 11/02/2025 | 06:19:33 | -72.59,-102.99 | 92.63 | 2.15 | 36 |
| 35 | 11/02/2025 | 07:10:55 | 72.58, 64.40 | 87.38 | 11/02/2025 | 07:10:13 | 72.57, 64.31 | 87.37 | 3.38 | 42 |
| 36 | 11/02/2025 | 08:01:39 | -72.61,-128.33 | 92.59 | 11/02/2025 | 08:00:54 | -72.62,-128.27 | 92.58 | 2.37 | 45 |
| 37 | 11/02/2025 | 08:52:25 | 72.60, 39.01 | 87.41 | 11/02/2025 | 08:51:34 | 72.60, 39.03 | 87.42 | 1.25 | 51 |
| 38 | 11/02/2025 | 09:43:08 | -72.57,-153.63 | 92.61 | 11/02/2025 | 09:42:16 | -72.60,-153.65 | 92.58 | 3.20 | 52 |
| 39 | 11/02/2025 | 10:33:55 | 72.61, 13.61 | 87.44 | 11/02/2025 | 10:32:56 | 72.58, 13.65 | 87.42 | 2.98 | 59 |
| 40 | 11/02/2025 | 11:24:38 | -72.58,-179.03 | 92.57 | 11/02/2025 | 11:23:38 | -72.58,-179.03 | 92.57 | 0.46 | 60 |
| 41 | 11/02/2025 | 12:15:24 | 72.57, -11.69 | 87.43 | 11/02/2025 | 12:14:18 | 72.56, -11.73 | 87.43 | 1.62 | 66 |
| 42 | 11/02/2025 | 13:06:07 | -72.55, 155.68 | 92.59 | 11/02/2025 | 13:05:00 | -72.56, 155.59 | 92.57 | 3.48 | 67 |
| 43 | 11/02/2025 | 13:56:54 | 72.58, -37.08 | 87.46 | 11/02/2025 | 13:55:39 | 72.59, -37.01 | 87.48 | 2.91 | 75 |
| 44 | 11/02/2025 | 14:47:37 | -72.56, 130.28 | 92.56 | 11/02/2025 | 14:46:22 | -72.54, 130.21 | 92.57 | 3.11 | 75 |
| 45 | 11/02/2025 | 15:38:18 | 72.29, -61.87 | 87.18 | 11/02/2025 | 15:37:06 | 72.32, -62.90 | 87.24 | 35.01 | 72 |
| 46 | 11/02/2025 | 16:29:01 | -72.26, 105.49 | 92.84 | 11/02/2025 | 16:27:49 | -72.27, 104.32 | 92.81 | 39.63 | 72 |
| 47 | 11/02/2025 | 17:19:42 | 71.99, -86.67 | 86.89 | 11/02/2025 | 17:18:34 | 71.99, -88.87 | 86.94 | 75.60 | 68 |
| 48 | 11/02/2025 | 18:10:25 | -71.97, 80.69 | 93.12 | 11/02/2025 | 18:09:17 | -71.94, 78.36 | 93.10 | 80.28 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/29/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C