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: 10/27/2025
| 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 | 02:25:45 | 73.37, 134.08 | 87.82 | 11/01/2025 | 02:26:52 | 73.30, 136.62 | 87.69 | 81.53 | 67 |
| 2 | 11/01/2025 | 03:16:27 | -73.29, -58.43 | 92.26 | 11/01/2025 | 03:17:35 | -73.24, -56.18 | 92.36 | 72.44 | 68 |
| 3 | 11/01/2025 | 04:07:09 | 73.08, 109.35 | 87.54 | 11/01/2025 | 04:08:19 | 73.03, 110.69 | 87.45 | 43.95 | 70 |
| 4 | 11/01/2025 | 04:57:51 | -73.00, -83.17 | 92.54 | 11/01/2025 | 04:59:03 | -72.92, -82.21 | 92.65 | 32.76 | 72 |
| 5 | 11/01/2025 | 05:48:33 | 72.79, 84.59 | 87.25 | 11/01/2025 | 05:49:46 | 72.75, 84.77 | 87.21 | 7.15 | 73 |
| 6 | 11/01/2025 | 06:39:15 | -72.71,-107.93 | 92.82 | 11/01/2025 | 06:40:29 | -72.70,-108.02 | 92.84 | 3.28 | 74 |
| 7 | 11/01/2025 | 07:30:02 | 72.75, 59.30 | 87.23 | 11/01/2025 | 07:31:08 | 72.73, 59.39 | 87.21 | 3.56 | 66 |
| 8 | 11/01/2025 | 08:20:45 | -72.73,-133.33 | 92.78 | 11/01/2025 | 08:21:50 | -72.73,-133.29 | 92.79 | 1.35 | 65 |
| 9 | 11/01/2025 | 09:11:31 | 72.71, 34.01 | 87.22 | 11/01/2025 | 09:12:30 | 72.71, 34.01 | 87.21 | 0.16 | 59 |
| 10 | 11/01/2025 | 10:02:14 | -72.69,-158.63 | 92.80 | 11/01/2025 | 10:03:12 | -72.71,-158.67 | 92.78 | 2.79 | 58 |
| 11 | 11/01/2025 | 10:53:01 | 72.72, 8.61 | 87.25 | 11/01/2025 | 10:53:52 | 72.69, 8.63 | 87.22 | 3.47 | 51 |
| 12 | 11/01/2025 | 11:43:44 | -72.70, 175.98 | 92.77 | 11/01/2025 | 11:44:34 | -72.69, 175.95 | 92.78 | 1.59 | 50 |
| 13 | 11/01/2025 | 12:34:30 | 72.68, -16.68 | 87.23 | 11/01/2025 | 12:35:14 | 72.67, -16.75 | 87.22 | 2.67 | 44 |
| 14 | 11/01/2025 | 13:25:14 | -72.71, 150.58 | 92.73 | 11/01/2025 | 13:25:55 | -72.72, 150.67 | 92.73 | 3.11 | 41 |
| 15 | 11/01/2025 | 14:16:00 | 72.69, -42.08 | 87.27 | 11/01/2025 | 14:16:35 | 72.70, -42.03 | 87.27 | 1.86 | 35 |
| 16 | 11/01/2025 | 15:06:42 | -72.67, 125.29 | 92.75 | 11/01/2025 | 15:07:16 | -72.70, 125.29 | 92.73 | 3.01 | 34 |
| 17 | 11/01/2025 | 15:57:28 | 72.66, -67.38 | 87.25 | 11/01/2025 | 15:57:56 | 72.68, -67.41 | 87.27 | 3.08 | 28 |
| 18 | 11/01/2025 | 16:48:12 | -72.68, 99.89 | 92.72 | 11/01/2025 | 16:48:38 | -72.68, 99.91 | 92.72 | 0.81 | 26 |
| 19 | 11/01/2025 | 17:38:58 | 72.67, -92.77 | 87.28 | 11/01/2025 | 17:39:18 | 72.66, -92.79 | 87.28 | 1.00 | 20 |
| 20 | 11/01/2025 | 18:29:41 | -72.64, 74.59 | 92.73 | 11/01/2025 | 18:30:00 | -72.66, 74.53 | 92.72 | 2.77 | 19 |
| 21 | 11/01/2025 | 19:20:28 | 72.68,-118.17 | 87.32 | 11/01/2025 | 19:20:39 | 72.69,-118.07 | 87.33 | 3.60 | 11 |
| 22 | 11/01/2025 | 20:11:11 | -72.65, 49.20 | 92.70 | 11/01/2025 | 20:11:22 | -72.64, 49.14 | 92.72 | 2.59 | 11 |
| 23 | 11/01/2025 | 21:01:57 | 72.64,-143.47 | 87.30 | 11/01/2025 | 21:02:01 | 72.67,-143.45 | 87.33 | 3.44 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.67, 23.80 | 92.67 | 11/01/2025 | 21:52:43 | -72.67, 23.87 | 92.67 | 2.28 | 2 |
| 25 | 11/01/2025 | 22:43:27 | 72.65,-168.86 | 87.34 | 11/01/2025 | 22:43:23 | 72.65,-168.83 | 87.33 | 1.00 | 4 |
| 26 | 11/01/2025 | 23:34:10 | -72.63, -1.50 | 92.68 | 11/01/2025 | 23:34:05 | -72.65, -1.51 | 92.66 | 2.34 | 5 |
| 27 | 11/02/2025 | 00:24:56 | 72.61, 165.84 | 87.32 | 11/02/2025 | 00:24:45 | 72.63, 165.78 | 87.34 | 2.70 | 11 |
| 28 | 11/02/2025 | 01:15:40 | -72.64, -26.89 | 92.65 | 11/02/2025 | 01:15:27 | -72.63, -26.89 | 92.66 | 1.27 | 13 |
| 29 | 11/02/2025 | 02:06:26 | 72.62, 140.44 | 87.35 | 11/02/2025 | 02:06:07 | 72.61, 140.40 | 87.34 | 2.16 | 19 |
| 30 | 11/02/2025 | 02:57:09 | -72.60, -52.19 | 92.67 | 11/02/2025 | 02:56:49 | -72.61, -52.28 | 92.66 | 3.06 | 20 |
| 31 | 11/02/2025 | 03:47:56 | 72.64, 115.05 | 87.39 | 11/02/2025 | 03:47:28 | 72.64, 115.13 | 87.39 | 2.67 | 28 |
| 32 | 11/02/2025 | 04:38:39 | -72.61, -77.58 | 92.63 | 11/02/2025 | 04:38:10 | -72.64, -77.55 | 92.61 | 3.11 | 29 |
| 33 | 11/02/2025 | 05:29:25 | 72.60, 89.75 | 87.37 | 11/02/2025 | 05:28:50 | 72.62, 89.74 | 87.39 | 2.48 | 35 |
| 34 | 11/02/2025 | 06:20:09 | -72.62,-102.98 | 92.60 | 11/02/2025 | 06:19:32 | -72.62,-102.93 | 92.60 | 1.72 | 37 |
| 35 | 11/02/2025 | 07:10:55 | 72.61, 64.35 | 87.40 | 11/02/2025 | 07:10:12 | 72.60, 64.36 | 87.40 | 1.16 | 43 |
| 36 | 11/02/2025 | 08:01:38 | -72.58,-128.28 | 92.62 | 11/02/2025 | 08:00:54 | -72.60,-128.32 | 92.60 | 1.95 | 44 |
| 37 | 11/02/2025 | 08:52:24 | 72.57, 39.06 | 87.38 | 11/02/2025 | 08:51:34 | 72.58, 38.98 | 87.40 | 2.76 | 50 |
| 38 | 11/02/2025 | 09:43:08 | -72.60,-153.67 | 92.58 | 11/02/2025 | 09:42:16 | -72.58,-153.70 | 92.60 | 2.18 | 52 |
| 39 | 11/02/2025 | 10:33:54 | 72.58, 13.66 | 87.42 | 11/02/2025 | 10:32:55 | 72.61, 13.70 | 87.45 | 3.33 | 59 |
| 40 | 11/02/2025 | 11:24:38 | -72.61,-179.07 | 92.55 | 11/02/2025 | 11:23:37 | -72.61,-178.97 | 92.55 | 3.27 | 61 |
| 41 | 11/02/2025 | 12:15:24 | 72.59, -11.74 | 87.45 | 11/02/2025 | 12:14:17 | 72.59, -11.68 | 87.45 | 2.05 | 67 |
| 42 | 11/02/2025 | 13:06:07 | -72.57, 155.63 | 92.57 | 11/02/2025 | 13:04:59 | -72.59, 155.65 | 92.54 | 2.16 | 68 |
| 43 | 11/02/2025 | 13:56:53 | 72.56, -37.03 | 87.43 | 11/02/2025 | 13:55:39 | 72.57, -37.06 | 87.45 | 1.75 | 74 |
| 44 | 11/02/2025 | 14:47:36 | -72.53, 130.34 | 92.59 | 11/02/2025 | 14:46:21 | -72.57, 130.26 | 92.54 | 4.88 | 75 |
| 45 | 11/02/2025 | 15:38:18 | 72.31, -61.92 | 87.20 | 11/02/2025 | 15:37:06 | 72.29, -62.95 | 87.21 | 34.86 | 72 |
| 46 | 11/02/2025 | 16:29:00 | -72.24, 105.55 | 92.87 | 11/02/2025 | 16:27:49 | -72.24, 104.28 | 92.83 | 43.03 | 71 |
| 47 | 11/02/2025 | 17:19:42 | 72.02, -86.72 | 86.92 | 11/02/2025 | 17:18:33 | 72.01, -88.82 | 86.97 | 72.11 | 69 |
| 48 | 11/02/2025 | 18:10:24 | -71.94, 80.74 | 93.15 | 11/02/2025 | 18:09:16 | -71.97, 78.41 | 93.07 | 80.22 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C