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 | 73.34, 134.14 | 87.79 | 11/01/2025 | 02:26:51 | 73.31, 136.67 | 87.71 | 80.60 | 67 |
| 2 | 11/01/2025 | 03:16:26 | -73.26, -58.36 | 92.29 | 11/01/2025 | 03:17:35 | -73.21, -56.23 | 92.38 | 68.33 | 69 |
| 3 | 11/01/2025 | 04:07:08 | 73.05, 109.41 | 87.51 | 11/01/2025 | 04:08:19 | 72.99, 110.62 | 87.42 | 40.09 | 71 |
| 4 | 11/01/2025 | 04:57:50 | -72.97, -83.10 | 92.57 | 11/01/2025 | 04:59:02 | -72.94, -82.16 | 92.63 | 30.87 | 72 |
| 5 | 11/01/2025 | 05:48:32 | 72.76, 84.65 | 87.23 | 11/01/2025 | 05:49:45 | 72.77, 84.81 | 87.22 | 5.33 | 73 |
| 6 | 11/01/2025 | 06:39:15 | -72.73,-107.97 | 92.80 | 11/01/2025 | 06:40:28 | -72.72,-107.96 | 92.82 | 1.48 | 73 |
| 7 | 11/01/2025 | 07:30:01 | 72.72, 59.36 | 87.21 | 11/01/2025 | 07:31:08 | 72.70, 59.32 | 87.18 | 3.29 | 67 |
| 8 | 11/01/2025 | 08:20:44 | -72.69,-133.26 | 92.82 | 11/01/2025 | 08:21:50 | -72.70,-133.35 | 92.82 | 2.84 | 66 |
| 9 | 11/01/2025 | 09:11:31 | 72.74, 33.96 | 87.24 | 11/01/2025 | 09:12:29 | 72.73, 34.05 | 87.23 | 3.09 | 58 |
| 10 | 11/01/2025 | 10:02:14 | -72.70,-158.66 | 92.78 | 11/01/2025 | 10:03:11 | -72.73,-158.62 | 92.76 | 2.88 | 57 |
| 11 | 11/01/2025 | 10:53:00 | 72.70, 8.67 | 87.22 | 11/01/2025 | 10:53:51 | 72.70, 8.66 | 87.23 | 0.95 | 51 |
| 12 | 11/01/2025 | 11:43:44 | -72.72, 175.94 | 92.75 | 11/01/2025 | 11:44:33 | -72.71, 176.00 | 92.76 | 1.98 | 49 |
| 13 | 11/01/2025 | 12:34:30 | 72.71, -16.73 | 87.26 | 11/01/2025 | 12:35:13 | 72.68, -16.72 | 87.23 | 2.73 | 43 |
| 14 | 11/01/2025 | 13:25:13 | -72.68, 150.65 | 92.77 | 11/01/2025 | 13:25:55 | -72.69, 150.61 | 92.76 | 1.60 | 42 |
| 15 | 11/01/2025 | 14:15:59 | 72.67, -42.03 | 87.24 | 11/01/2025 | 14:16:35 | 72.66, -42.10 | 87.23 | 2.52 | 36 |
| 16 | 11/01/2025 | 15:06:43 | -72.69, 125.25 | 92.73 | 11/01/2025 | 15:07:17 | -72.67, 125.23 | 92.76 | 2.59 | 34 |
| 17 | 11/01/2025 | 15:57:29 | 72.68, -67.43 | 87.28 | 11/01/2025 | 15:57:56 | 72.69, -67.38 | 87.29 | 2.08 | 27 |
| 18 | 11/01/2025 | 16:48:13 | -72.70, 99.85 | 92.70 | 11/01/2025 | 16:48:38 | -72.70, 99.95 | 92.71 | 3.38 | 25 |
| 19 | 11/01/2025 | 17:38:59 | 72.69, -92.82 | 87.31 | 11/01/2025 | 17:39:18 | 72.67, -92.76 | 87.29 | 3.10 | 19 |
| 20 | 11/01/2025 | 18:29:42 | -72.66, 74.56 | 92.72 | 11/01/2025 | 18:30:00 | -72.68, 74.57 | 92.70 | 1.64 | 18 |
| 21 | 11/01/2025 | 19:20:28 | 72.65,-118.12 | 87.29 | 11/01/2025 | 19:20:40 | 72.65,-118.14 | 87.29 | 0.86 | 12 |
| 22 | 11/01/2025 | 20:11:12 | -72.67, 49.16 | 92.68 | 11/01/2025 | 20:11:22 | -72.66, 49.19 | 92.70 | 2.24 | 10 |
| 23 | 11/01/2025 | 21:01:57 | 72.67,-143.52 | 87.33 | 11/01/2025 | 21:02:00 | 72.68,-143.42 | 87.34 | 3.63 | 3 |
| 24 | 11/01/2025 | 21:52:40 | -72.64, 23.87 | 92.70 | 11/01/2025 | 21:52:43 | -72.64, 23.81 | 92.70 | 1.93 | 3 |
| 25 | 11/01/2025 | 22:43:26 | 72.63,-168.81 | 87.31 | 11/01/2025 | 22:43:23 | 72.61,-168.91 | 87.30 | 3.72 | 3 |
| 26 | 11/01/2025 | 23:34:10 | -72.65, -1.53 | 92.66 | 11/01/2025 | 23:34:04 | -72.67, -1.47 | 92.65 | 2.91 | 6 |
| 27 | 11/02/2025 | 00:24:56 | 72.64, 165.79 | 87.34 | 11/02/2025 | 00:24:44 | 72.64, 165.82 | 87.35 | 0.81 | 12 |
| 28 | 11/02/2025 | 01:15:40 | -72.66, -26.93 | 92.63 | 11/02/2025 | 01:15:26 | -72.65, -26.85 | 92.64 | 3.02 | 14 |
| 29 | 11/02/2025 | 02:06:25 | 72.60, 140.50 | 87.33 | 11/02/2025 | 02:06:06 | 72.62, 140.43 | 87.35 | 3.00 | 19 |
| 30 | 11/02/2025 | 02:57:09 | -72.62, -52.22 | 92.65 | 11/02/2025 | 02:56:48 | -72.62, -52.23 | 92.64 | 0.57 | 21 |
| 31 | 11/02/2025 | 03:47:55 | 72.61, 115.10 | 87.36 | 11/02/2025 | 03:47:28 | 72.60, 115.05 | 87.35 | 2.19 | 27 |
| 32 | 11/02/2025 | 04:38:39 | -72.63, -77.62 | 92.61 | 11/02/2025 | 04:38:10 | -72.60, -77.61 | 92.64 | 3.13 | 29 |
| 33 | 11/02/2025 | 05:29:25 | 72.63, 89.70 | 87.40 | 11/02/2025 | 05:28:49 | 72.63, 89.77 | 87.40 | 2.47 | 36 |
| 34 | 11/02/2025 | 06:20:08 | -72.59,-102.92 | 92.63 | 11/02/2025 | 06:19:32 | -72.58,-103.00 | 92.64 | 2.87 | 36 |
| 35 | 11/02/2025 | 07:10:54 | 72.59, 64.41 | 87.38 | 11/02/2025 | 07:10:11 | 72.61, 64.39 | 87.40 | 2.53 | 43 |
| 36 | 11/02/2025 | 08:01:38 | -72.61,-128.31 | 92.60 | 11/02/2025 | 08:00:53 | -72.61,-128.28 | 92.59 | 1.62 | 45 |
| 37 | 11/02/2025 | 08:52:24 | 72.60, 39.01 | 87.41 | 11/02/2025 | 08:51:33 | 72.59, 39.01 | 87.41 | 1.18 | 51 |
| 38 | 11/02/2025 | 09:43:08 | -72.62,-153.71 | 92.56 | 11/02/2025 | 09:42:15 | -72.59,-153.66 | 92.58 | 3.27 | 53 |
| 39 | 11/02/2025 | 10:33:53 | 72.56, 13.71 | 87.39 | 11/02/2025 | 10:32:55 | 72.57, 13.63 | 87.41 | 2.97 | 58 |
| 40 | 11/02/2025 | 11:24:37 | -72.58,-179.01 | 92.58 | 11/02/2025 | 11:23:37 | -72.57,-179.04 | 92.58 | 1.21 | 60 |
| 41 | 11/02/2025 | 12:15:23 | 72.57, -11.69 | 87.43 | 11/02/2025 | 12:14:16 | 72.60, -11.65 | 87.46 | 3.05 | 67 |
| 42 | 11/02/2025 | 13:06:07 | -72.59, 155.59 | 92.55 | 11/02/2025 | 13:04:58 | -72.60, 155.68 | 92.53 | 3.26 | 69 |
| 43 | 11/02/2025 | 13:56:53 | 72.58, -37.09 | 87.46 | 11/02/2025 | 13:55:38 | 72.58, -37.03 | 87.46 | 1.88 | 75 |
| 44 | 11/02/2025 | 14:47:36 | -72.55, 130.30 | 92.56 | 11/02/2025 | 14:46:21 | -72.53, 130.20 | 92.58 | 4.04 | 75 |
| 45 | 11/02/2025 | 15:38:17 | 72.29, -61.87 | 87.18 | 11/02/2025 | 15:37:05 | 72.30, -62.92 | 87.22 | 35.65 | 72 |
| 46 | 11/02/2025 | 16:29:00 | -72.26, 105.51 | 92.85 | 11/02/2025 | 16:27:48 | -72.26, 104.31 | 92.82 | 40.50 | 72 |
| 47 | 11/02/2025 | 17:19:41 | 71.99, -86.68 | 86.90 | 11/02/2025 | 17:18:33 | 71.97, -88.90 | 86.93 | 76.46 | 68 |
| 48 | 11/02/2025 | 18:10:24 | -71.96, 80.70 | 93.13 | 11/02/2025 | 18:09:16 | -71.93, 78.35 | 93.11 | 81.19 | 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