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: 10/25/2025
| 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, 134.14 | 87.79 | 11/01/2025 | 02:26:51 | 73.33, 136.69 | 87.72 | 81.15 | 67 |
| 2 | 11/01/2025 | 03:16:26 | -73.26, -58.36 | 92.29 | 11/01/2025 | 03:17:35 | -73.22, -56.22 | 92.38 | 68.89 | 69 |
| 3 | 11/01/2025 | 04:07:08 | 73.05, 109.41 | 87.51 | 11/01/2025 | 04:08:19 | 73.00, 110.64 | 87.43 | 40.40 | 71 |
| 4 | 11/01/2025 | 04:57:50 | -72.97, -83.10 | 92.57 | 11/01/2025 | 04:59:02 | -72.95, -82.14 | 92.62 | 31.41 | 72 |
| 5 | 11/01/2025 | 05:48:32 | 72.76, 84.66 | 87.22 | 11/01/2025 | 05:49:46 | 72.73, 84.73 | 87.19 | 4.01 | 74 |
| 6 | 11/01/2025 | 06:39:15 | -72.73,-107.97 | 92.80 | 11/01/2025 | 06:40:28 | -72.73,-107.95 | 92.81 | 0.89 | 73 |
| 7 | 11/01/2025 | 07:30:01 | 72.72, 59.36 | 87.20 | 11/01/2025 | 07:31:08 | 72.71, 59.35 | 87.19 | 1.19 | 67 |
| 8 | 11/01/2025 | 08:20:44 | -72.69,-133.27 | 92.82 | 11/01/2025 | 08:21:50 | -72.71,-133.33 | 92.81 | 2.71 | 66 |
| 9 | 11/01/2025 | 09:11:30 | 72.68, 34.07 | 87.19 | 11/01/2025 | 09:12:30 | 72.69, 33.97 | 87.19 | 3.55 | 60 |
| 10 | 11/01/2025 | 10:02:14 | -72.70,-158.66 | 92.78 | 11/01/2025 | 10:03:12 | -72.69,-158.71 | 92.80 | 2.43 | 58 |
| 11 | 11/01/2025 | 10:53:00 | 72.69, 8.67 | 87.22 | 11/01/2025 | 10:53:51 | 72.72, 8.69 | 87.24 | 3.15 | 51 |
| 12 | 11/01/2025 | 11:43:44 | -72.72, 175.94 | 92.75 | 11/01/2025 | 11:44:33 | -72.72, 176.01 | 92.75 | 2.42 | 49 |
| 13 | 11/01/2025 | 12:34:30 | 72.70, -16.73 | 87.26 | 11/01/2025 | 12:35:13 | 72.70, -16.69 | 87.25 | 1.24 | 43 |
| 14 | 11/01/2025 | 13:25:13 | -72.68, 150.65 | 92.77 | 11/01/2025 | 13:25:55 | -72.70, 150.63 | 92.75 | 2.44 | 42 |
| 15 | 11/01/2025 | 14:15:59 | 72.66, -42.02 | 87.24 | 11/01/2025 | 14:16:35 | 72.68, -42.07 | 87.25 | 2.40 | 36 |
| 16 | 11/01/2025 | 15:06:43 | -72.69, 125.25 | 92.73 | 11/01/2025 | 15:07:17 | -72.68, 125.25 | 92.75 | 1.13 | 34 |
| 17 | 11/01/2025 | 15:57:29 | 72.68, -67.42 | 87.27 | 11/01/2025 | 15:57:57 | 72.66, -67.46 | 87.25 | 2.31 | 28 |
| 18 | 11/01/2025 | 16:48:12 | -72.65, 99.95 | 92.75 | 11/01/2025 | 16:48:39 | -72.66, 99.87 | 92.74 | 3.01 | 27 |
| 19 | 11/01/2025 | 17:38:59 | 72.69, -92.82 | 87.31 | 11/01/2025 | 17:39:18 | 72.69, -92.73 | 87.30 | 2.78 | 19 |
| 20 | 11/01/2025 | 18:29:42 | -72.66, 74.56 | 92.72 | 11/01/2025 | 18:30:00 | -72.69, 74.59 | 92.69 | 3.29 | 18 |
| 21 | 11/01/2025 | 19:20:28 | 72.65,-118.11 | 87.29 | 11/01/2025 | 19:20:40 | 72.67,-118.11 | 87.31 | 2.22 | 12 |
| 22 | 11/01/2025 | 20:11:12 | -72.67, 49.16 | 92.68 | 11/01/2025 | 20:11:22 | -72.67, 49.21 | 92.69 | 1.75 | 10 |
| 23 | 11/01/2025 | 21:01:58 | 72.66,-143.51 | 87.32 | 11/01/2025 | 21:02:02 | 72.65,-143.50 | 87.31 | 1.42 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.63, 23.87 | 92.70 | 11/01/2025 | 21:52:44 | -72.65, 23.83 | 92.68 | 2.05 | 3 |
| 25 | 11/01/2025 | 22:43:27 | 72.62,-168.80 | 87.30 | 11/01/2025 | 22:43:24 | 72.63,-168.88 | 87.31 | 2.60 | 3 |
| 26 | 11/01/2025 | 23:34:11 | -72.65, -1.53 | 92.67 | 11/01/2025 | 23:34:06 | -72.63, -1.55 | 92.68 | 1.97 | 5 |
| 27 | 11/02/2025 | 00:24:57 | 72.63, 165.80 | 87.34 | 11/02/2025 | 00:24:45 | 72.66, 165.85 | 87.36 | 3.18 | 12 |
| 28 | 11/02/2025 | 01:15:41 | -72.66, -26.93 | 92.63 | 11/02/2025 | 01:15:27 | -72.66, -26.83 | 92.63 | 3.34 | 14 |
| 29 | 11/02/2025 | 02:06:27 | 72.65, 140.40 | 87.37 | 11/02/2025 | 02:06:07 | 72.64, 140.46 | 87.37 | 2.20 | 20 |
| 30 | 11/02/2025 | 02:57:10 | -72.62, -52.22 | 92.65 | 11/02/2025 | 02:56:49 | -72.64, -52.21 | 92.63 | 2.39 | 21 |
| 31 | 11/02/2025 | 03:47:56 | 72.61, 115.11 | 87.36 | 11/02/2025 | 03:47:29 | 72.62, 115.08 | 87.37 | 1.55 | 27 |
| 32 | 11/02/2025 | 04:38:40 | -72.63, -77.62 | 92.62 | 11/02/2025 | 04:38:11 | -72.62, -77.59 | 92.62 | 1.55 | 29 |
| 33 | 11/02/2025 | 05:29:26 | 72.62, 89.71 | 87.39 | 11/02/2025 | 05:28:51 | 72.60, 89.70 | 87.37 | 2.31 | 35 |
| 34 | 11/02/2025 | 06:20:09 | -72.59,-102.92 | 92.63 | 11/02/2025 | 06:19:33 | -72.60,-102.97 | 92.62 | 2.09 | 36 |
| 35 | 11/02/2025 | 07:10:55 | 72.58, 64.42 | 87.37 | 11/02/2025 | 07:10:13 | 72.58, 64.32 | 87.37 | 3.20 | 42 |
| 36 | 11/02/2025 | 08:01:39 | -72.60,-128.31 | 92.60 | 11/02/2025 | 08:00:55 | -72.58,-128.35 | 92.62 | 2.95 | 44 |
| 37 | 11/02/2025 | 08:52:25 | 72.59, 39.02 | 87.41 | 11/02/2025 | 08:51:34 | 72.61, 39.04 | 87.43 | 2.03 | 51 |
| 38 | 11/02/2025 | 09:43:09 | -72.61,-153.71 | 92.57 | 11/02/2025 | 09:42:16 | -72.61,-153.63 | 92.57 | 2.71 | 53 |
| 39 | 11/02/2025 | 10:33:55 | 72.60, 13.62 | 87.44 | 11/02/2025 | 10:32:56 | 72.59, 13.66 | 87.43 | 2.20 | 59 |
| 40 | 11/02/2025 | 11:24:38 | -72.58,-179.00 | 92.58 | 11/02/2025 | 11:23:38 | -72.59,-179.01 | 92.56 | 1.58 | 60 |
| 41 | 11/02/2025 | 12:15:24 | 72.56, -11.67 | 87.42 | 11/02/2025 | 12:14:18 | 72.57, -11.72 | 87.43 | 1.57 | 66 |
| 42 | 11/02/2025 | 13:06:07 | -72.59, 155.60 | 92.55 | 11/02/2025 | 13:04:59 | -72.57, 155.61 | 92.56 | 2.01 | 68 |
| 43 | 11/02/2025 | 13:56:53 | 72.58, -37.07 | 87.46 | 11/02/2025 | 13:55:39 | 72.55, -37.10 | 87.43 | 3.40 | 74 |
| 44 | 11/02/2025 | 14:47:36 | -72.55, 130.30 | 92.57 | 11/02/2025 | 14:46:21 | -72.55, 130.23 | 92.56 | 2.54 | 75 |
| 45 | 11/02/2025 | 15:38:17 | 72.28, -61.86 | 87.17 | 11/02/2025 | 15:37:06 | 72.27, -62.99 | 87.19 | 38.32 | 71 |
| 46 | 11/02/2025 | 16:29:00 | -72.25, 105.51 | 92.85 | 11/02/2025 | 16:27:48 | -72.27, 104.34 | 92.80 | 39.73 | 72 |
| 47 | 11/02/2025 | 17:19:41 | 71.99, -86.66 | 86.89 | 11/02/2025 | 17:18:33 | 71.99, -88.86 | 86.95 | 75.63 | 68 |
| 48 | 11/02/2025 | 18:10:24 | -71.96, 80.71 | 93.13 | 11/02/2025 | 18:09:16 | -71.95, 78.38 | 93.09 | 80.27 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/25/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C