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: 10/20/2025
| 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 | 73.33, 134.17 | 87.78 | 11/01/2025 | 02:26:52 | 73.28, 136.58 | 87.67 | 77.49 | 68 |
| 2 | 11/01/2025 | 03:16:27 | -73.30, -58.44 | 92.25 | 11/01/2025 | 03:17:35 | -73.23, -56.20 | 92.37 | 72.19 | 68 |
| 3 | 11/01/2025 | 04:07:08 | 73.04, 109.43 | 87.50 | 11/01/2025 | 04:08:19 | 73.00, 110.65 | 87.43 | 39.87 | 71 |
| 4 | 11/01/2025 | 04:57:51 | -73.01, -83.18 | 92.53 | 11/01/2025 | 04:59:02 | -72.95, -82.13 | 92.61 | 34.85 | 71 |
| 5 | 11/01/2025 | 05:48:32 | 72.75, 84.67 | 87.21 | 11/01/2025 | 05:49:46 | 72.73, 84.74 | 87.19 | 3.13 | 74 |
| 6 | 11/01/2025 | 06:39:15 | -72.72,-107.94 | 92.81 | 11/01/2025 | 06:40:28 | -72.73,-107.93 | 92.81 | 1.41 | 73 |
| 7 | 11/01/2025 | 07:30:00 | 72.71, 59.38 | 87.20 | 11/01/2025 | 07:31:07 | 72.71, 59.35 | 87.19 | 1.01 | 67 |
| 8 | 11/01/2025 | 08:20:44 | -72.73,-133.34 | 92.78 | 11/01/2025 | 08:21:49 | -72.71,-133.32 | 92.80 | 2.35 | 65 |
| 9 | 11/01/2025 | 09:11:30 | 72.72, 33.98 | 87.23 | 11/01/2025 | 09:12:28 | 72.74, 34.08 | 87.24 | 3.49 | 58 |
| 10 | 11/01/2025 | 10:02:13 | -72.69,-158.63 | 92.80 | 11/01/2025 | 10:03:11 | -72.69,-158.70 | 92.80 | 2.09 | 58 |
| 11 | 11/01/2025 | 10:52:59 | 72.69, 8.69 | 87.21 | 11/01/2025 | 10:53:50 | 72.72, 8.69 | 87.24 | 3.68 | 51 |
| 12 | 11/01/2025 | 11:43:43 | -72.70, 175.97 | 92.76 | 11/01/2025 | 11:44:32 | -72.72, 176.03 | 92.75 | 2.68 | 49 |
| 13 | 11/01/2025 | 12:34:29 | 72.70, -16.71 | 87.25 | 11/01/2025 | 12:35:12 | 72.70, -16.69 | 87.24 | 0.68 | 43 |
| 14 | 11/01/2025 | 13:25:13 | -72.72, 150.57 | 92.73 | 11/01/2025 | 13:25:54 | -72.70, 150.64 | 92.75 | 2.97 | 41 |
| 15 | 11/01/2025 | 14:15:58 | 72.66, -42.00 | 87.23 | 11/01/2025 | 14:16:34 | 72.68, -42.07 | 87.25 | 3.05 | 36 |
| 16 | 11/01/2025 | 15:06:42 | -72.68, 125.28 | 92.74 | 11/01/2025 | 15:07:16 | -72.68, 125.26 | 92.74 | 0.58 | 34 |
| 17 | 11/01/2025 | 15:57:28 | 72.67, -67.40 | 87.27 | 11/01/2025 | 15:57:56 | 72.66, -67.45 | 87.25 | 2.32 | 28 |
| 18 | 11/01/2025 | 16:48:12 | -72.69, 99.88 | 92.71 | 11/01/2025 | 16:48:38 | -72.66, 99.88 | 92.74 | 3.24 | 26 |
| 19 | 11/01/2025 | 17:38:58 | 72.68, -92.80 | 87.30 | 11/01/2025 | 17:39:17 | 72.69, -92.73 | 87.30 | 2.33 | 19 |
| 20 | 11/01/2025 | 18:29:41 | -72.65, 74.58 | 92.73 | 11/01/2025 | 18:30:00 | -72.64, 74.50 | 92.74 | 3.08 | 19 |
| 21 | 11/01/2025 | 19:20:27 | 72.64,-118.09 | 87.28 | 11/01/2025 | 19:20:39 | 72.67,-118.11 | 87.30 | 2.54 | 12 |
| 22 | 11/01/2025 | 20:11:11 | -72.66, 49.18 | 92.69 | 11/01/2025 | 20:11:21 | -72.67, 49.22 | 92.69 | 1.43 | 10 |
| 23 | 11/01/2025 | 21:01:57 | 72.66,-143.49 | 87.32 | 11/01/2025 | 21:02:01 | 72.65,-143.50 | 87.31 | 1.19 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.67, 23.79 | 92.66 | 11/01/2025 | 21:52:43 | -72.65, 23.84 | 92.68 | 3.24 | 2 |
| 25 | 11/01/2025 | 22:43:26 | 72.62,-168.79 | 87.30 | 11/01/2025 | 22:43:23 | 72.62,-168.88 | 87.31 | 3.12 | 3 |
| 26 | 11/01/2025 | 23:34:10 | -72.64, -1.51 | 92.68 | 11/01/2025 | 23:34:05 | -72.63, -1.54 | 92.68 | 1.41 | 5 |
| 27 | 11/02/2025 | 00:24:56 | 72.63, 165.81 | 87.33 | 11/02/2025 | 00:24:44 | 72.65, 165.84 | 87.36 | 3.01 | 12 |
| 28 | 11/02/2025 | 01:15:40 | -72.65, -26.91 | 92.64 | 11/02/2025 | 01:15:26 | -72.66, -26.82 | 92.63 | 3.07 | 14 |
| 29 | 11/02/2025 | 02:06:26 | 72.64, 140.42 | 87.37 | 11/02/2025 | 02:06:06 | 72.63, 140.46 | 87.36 | 1.73 | 20 |
| 30 | 11/02/2025 | 02:57:09 | -72.61, -52.20 | 92.66 | 11/02/2025 | 02:56:48 | -72.64, -52.20 | 92.63 | 3.34 | 21 |
| 31 | 11/02/2025 | 03:47:55 | 72.60, 115.12 | 87.35 | 11/02/2025 | 03:47:28 | 72.61, 115.08 | 87.36 | 1.83 | 27 |
| 32 | 11/02/2025 | 04:38:39 | -72.62, -77.60 | 92.63 | 11/02/2025 | 04:38:10 | -72.62, -77.59 | 92.63 | 0.51 | 29 |
| 33 | 11/02/2025 | 05:29:25 | 72.61, 89.72 | 87.39 | 11/02/2025 | 05:28:50 | 72.59, 89.70 | 87.37 | 2.59 | 35 |
| 34 | 11/02/2025 | 06:20:08 | -72.58,-102.89 | 92.64 | 11/02/2025 | 06:19:32 | -72.60,-102.97 | 92.62 | 3.02 | 36 |
| 35 | 11/02/2025 | 07:10:55 | 72.63, 64.32 | 87.42 | 11/02/2025 | 07:10:11 | 72.62, 64.42 | 87.42 | 3.19 | 44 |
| 36 | 11/02/2025 | 08:01:38 | -72.59,-128.29 | 92.61 | 11/02/2025 | 08:00:54 | -72.58,-128.35 | 92.62 | 2.66 | 44 |
| 37 | 11/02/2025 | 08:52:24 | 72.59, 39.03 | 87.40 | 11/02/2025 | 08:51:33 | 72.60, 39.04 | 87.42 | 1.58 | 51 |
| 38 | 11/02/2025 | 09:43:08 | -72.61,-153.69 | 92.57 | 11/02/2025 | 09:42:15 | -72.61,-153.63 | 92.57 | 2.07 | 53 |
| 39 | 11/02/2025 | 10:33:54 | 72.60, 13.63 | 87.44 | 11/02/2025 | 10:32:55 | 72.58, 13.65 | 87.42 | 2.25 | 59 |
| 40 | 11/02/2025 | 11:24:37 | -72.57,-178.98 | 92.59 | 11/02/2025 | 11:23:37 | -72.59,-179.01 | 92.57 | 2.34 | 60 |
| 41 | 11/02/2025 | 12:15:23 | 72.56, -11.66 | 87.42 | 11/02/2025 | 12:14:17 | 72.56, -11.73 | 87.42 | 2.10 | 66 |
| 42 | 11/02/2025 | 13:06:07 | -72.58, 155.62 | 92.56 | 11/02/2025 | 13:04:59 | -72.57, 155.61 | 92.57 | 1.45 | 68 |
| 43 | 11/02/2025 | 13:56:53 | 72.57, -37.06 | 87.45 | 11/02/2025 | 13:55:38 | 72.59, -37.01 | 87.47 | 2.68 | 75 |
| 44 | 11/02/2025 | 14:47:36 | -72.54, 130.32 | 92.58 | 11/02/2025 | 14:46:21 | -72.55, 130.23 | 92.56 | 3.20 | 75 |
| 45 | 11/02/2025 | 15:38:17 | 72.28, -61.85 | 87.17 | 11/02/2025 | 15:37:05 | 72.31, -62.90 | 87.23 | 35.63 | 72 |
| 46 | 11/02/2025 | 16:29:00 | -72.25, 105.53 | 92.86 | 11/02/2025 | 16:27:48 | -72.27, 104.34 | 92.81 | 40.37 | 72 |
| 47 | 11/02/2025 | 17:19:41 | 71.98, -86.65 | 86.89 | 11/02/2025 | 17:18:33 | 71.98, -88.87 | 86.94 | 76.20 | 68 |
| 48 | 11/02/2025 | 18:10:24 | -71.95, 80.72 | 93.14 | 11/02/2025 | 18:09:16 | -71.94, 78.38 | 93.10 | 80.89 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/20/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C