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: 10/31/2025
| 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, 134.15 | 87.79 | 11/01/2025 | 02:26:51 | 73.33, 136.69 | 87.72 | 81.10 | 67 |
| 2 | 11/01/2025 | 03:16:26 | -73.27, -58.37 | 92.28 | 11/01/2025 | 03:17:35 | -73.22, -56.23 | 92.38 | 68.94 | 69 |
| 3 | 11/01/2025 | 04:07:08 | 73.05, 109.41 | 87.50 | 11/01/2025 | 04:08:19 | 73.01, 110.65 | 87.43 | 40.30 | 71 |
| 4 | 11/01/2025 | 04:57:50 | -72.98, -83.12 | 92.57 | 11/01/2025 | 04:59:02 | -72.95, -82.16 | 92.62 | 31.49 | 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 | 3.58 | 74 |
| 6 | 11/01/2025 | 06:39:15 | -72.74,-107.98 | 92.79 | 11/01/2025 | 06:40:28 | -72.72,-107.96 | 92.81 | 1.65 | 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 | 0.76 | 67 |
| 8 | 11/01/2025 | 08:20:44 | -72.70,-133.28 | 92.81 | 11/01/2025 | 08:21:50 | -72.70,-133.34 | 92.81 | 2.25 | 66 |
| 9 | 11/01/2025 | 09:11:30 | 72.68, 34.07 | 87.18 | 11/01/2025 | 09:12:30 | 72.69, 33.97 | 87.19 | 3.76 | 60 |
| 10 | 11/01/2025 | 10:02:14 | -72.71,-158.67 | 92.78 | 11/01/2025 | 10:03:12 | -72.68,-158.72 | 92.81 | 3.30 | 58 |
| 11 | 11/01/2025 | 10:53:00 | 72.69, 8.67 | 87.22 | 11/01/2025 | 10:53:52 | 72.67, 8.59 | 87.20 | 3.55 | 52 |
| 12 | 11/01/2025 | 11:43:44 | -72.72, 175.93 | 92.74 | 11/01/2025 | 11:44:33 | -72.71, 176.00 | 92.76 | 2.50 | 49 |
| 13 | 11/01/2025 | 12:34:30 | 72.70, -16.72 | 87.25 | 11/01/2025 | 12:35:13 | 72.70, -16.69 | 87.25 | 1.11 | 43 |
| 14 | 11/01/2025 | 13:25:13 | -72.68, 150.63 | 92.76 | 11/01/2025 | 13:25:55 | -72.69, 150.62 | 92.75 | 1.44 | 42 |
| 15 | 11/01/2025 | 14:15:59 | 72.66, -42.02 | 87.23 | 11/01/2025 | 14:16:35 | 72.68, -42.07 | 87.25 | 2.79 | 36 |
| 16 | 11/01/2025 | 15:06:43 | -72.69, 125.24 | 92.73 | 11/01/2025 | 15:07:17 | -72.67, 125.24 | 92.75 | 2.18 | 34 |
| 17 | 11/01/2025 | 15:57:29 | 72.67, -67.42 | 87.27 | 11/01/2025 | 15:57:57 | 72.66, -67.45 | 87.25 | 1.92 | 28 |
| 18 | 11/01/2025 | 16:48:12 | -72.65, 99.94 | 92.75 | 11/01/2025 | 16:48:39 | -72.65, 99.86 | 92.75 | 2.87 | 27 |
| 19 | 11/01/2025 | 17:38:59 | 72.69, -92.81 | 87.30 | 11/01/2025 | 17:39:18 | 72.69, -92.73 | 87.31 | 2.82 | 19 |
| 20 | 11/01/2025 | 18:29:42 | -72.67, 74.55 | 92.71 | 11/01/2025 | 18:30:00 | -72.68, 74.58 | 92.69 | 2.32 | 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 | 2.72 | 12 |
| 22 | 11/01/2025 | 20:11:12 | -72.68, 49.15 | 92.68 | 11/01/2025 | 20:11:22 | -72.66, 49.20 | 92.69 | 2.24 | 10 |
| 23 | 11/01/2025 | 21:01:58 | 72.66,-143.51 | 87.32 | 11/01/2025 | 21:02:02 | 72.65,-143.49 | 87.31 | 0.95 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.64, 23.85 | 92.69 | 11/01/2025 | 21:52:44 | -72.64, 23.82 | 92.69 | 1.36 | 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 | 2.80 | 3 |
| 26 | 11/01/2025 | 23:34:11 | -72.65, -1.54 | 92.66 | 11/01/2025 | 23:34:06 | -72.62, -1.56 | 92.69 | 3.01 | 5 |
| 27 | 11/02/2025 | 00:24:57 | 72.63, 165.80 | 87.34 | 11/02/2025 | 00:24:46 | 72.61, 165.74 | 87.32 | 3.10 | 11 |
| 28 | 11/02/2025 | 01:15:41 | -72.66, -26.94 | 92.63 | 11/02/2025 | 01:15:27 | -72.65, -26.84 | 92.63 | 3.42 | 14 |
| 29 | 11/02/2025 | 02:06:27 | 72.64, 140.40 | 87.37 | 11/02/2025 | 02:06:07 | 72.64, 140.46 | 87.37 | 2.04 | 20 |
| 30 | 11/02/2025 | 02:57:10 | -72.62, -52.24 | 92.64 | 11/02/2025 | 02:56:49 | -72.63, -52.22 | 92.63 | 1.34 | 21 |
| 31 | 11/02/2025 | 03:47:56 | 72.60, 115.11 | 87.35 | 11/02/2025 | 03:47:29 | 72.62, 115.08 | 87.37 | 1.97 | 27 |
| 32 | 11/02/2025 | 04:38:40 | -72.63, -77.63 | 92.61 | 11/02/2025 | 04:38:11 | -72.61, -77.60 | 92.63 | 2.47 | 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 | 1.85 | 35 |
| 34 | 11/02/2025 | 06:20:09 | -72.60,-102.93 | 92.63 | 11/02/2025 | 06:19:33 | -72.59,-102.98 | 92.63 | 1.91 | 36 |
| 35 | 11/02/2025 | 07:10:55 | 72.58, 64.42 | 87.37 | 11/02/2025 | 07:10:13 | 72.58, 64.32 | 87.38 | 3.24 | 42 |
| 36 | 11/02/2025 | 08:01:39 | -72.61,-128.32 | 92.59 | 11/02/2025 | 08:00:54 | -72.62,-128.26 | 92.57 | 2.84 | 45 |
| 37 | 11/02/2025 | 08:52:25 | 72.59, 39.02 | 87.40 | 11/02/2025 | 08:51:34 | 72.61, 39.04 | 87.43 | 2.44 | 51 |
| 38 | 11/02/2025 | 09:43:09 | -72.62,-153.72 | 92.56 | 11/02/2025 | 09:42:16 | -72.60,-153.64 | 92.57 | 3.10 | 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 | 1.84 | 59 |
| 40 | 11/02/2025 | 11:24:38 | -72.58,-179.02 | 92.58 | 11/02/2025 | 11:23:38 | -72.58,-179.02 | 92.57 | 0.52 | 60 |
| 41 | 11/02/2025 | 12:15:23 | 72.56, -11.67 | 87.42 | 11/02/2025 | 12:14:17 | 72.57, -11.72 | 87.43 | 1.75 | 66 |
| 42 | 11/02/2025 | 13:06:07 | -72.59, 155.59 | 92.54 | 11/02/2025 | 13:04:59 | -72.56, 155.60 | 92.57 | 3.09 | 68 |
| 43 | 11/02/2025 | 13:56:53 | 72.57, -37.07 | 87.45 | 11/02/2025 | 13:55:39 | 72.55, -37.10 | 87.44 | 2.99 | 74 |
| 44 | 11/02/2025 | 14:47:36 | -72.55, 130.29 | 92.56 | 11/02/2025 | 14:46:21 | -72.54, 130.21 | 92.56 | 2.73 | 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 | 38.34 | 71 |
| 46 | 11/02/2025 | 16:29:00 | -72.26, 105.50 | 92.84 | 11/02/2025 | 16:27:48 | -72.27, 104.33 | 92.81 | 39.70 | 72 |
| 47 | 11/02/2025 | 17:19:41 | 71.98, -86.66 | 86.89 | 11/02/2025 | 17:18:33 | 71.99, -88.86 | 86.95 | 75.67 | 68 |
| 48 | 11/02/2025 | 18:10:24 | -71.97, 80.69 | 93.13 | 11/02/2025 | 18:09:16 | -71.94, 78.36 | 93.10 | 80.31 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/31/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/31/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C