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: 10/23/2025
| 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 | 73.38, 134.05 | 87.83 | 11/01/2025 | 02:26:52 | 73.29, 136.60 | 87.68 | 81.94 | 67 |
| 2 | 11/01/2025 | 03:16:27 | -73.30, -58.45 | 92.25 | 11/01/2025 | 03:17:35 | -73.23, -56.19 | 92.36 | 72.68 | 68 |
| 3 | 11/01/2025 | 04:07:08 | 73.04, 109.43 | 87.50 | 11/01/2025 | 04:08:19 | 73.01, 110.67 | 87.44 | 40.29 | 71 |
| 4 | 11/01/2025 | 04:57:51 | -73.01, -83.19 | 92.53 | 11/01/2025 | 04:59:02 | -72.96, -82.12 | 92.60 | 35.30 | 71 |
| 5 | 11/01/2025 | 05:48:33 | 72.80, 84.57 | 87.27 | 11/01/2025 | 05:49:46 | 72.74, 84.75 | 87.20 | 8.94 | 73 |
| 6 | 11/01/2025 | 06:39:15 | -72.72,-107.95 | 92.81 | 11/01/2025 | 06:40:28 | -72.74,-107.92 | 92.80 | 2.37 | 73 |
| 7 | 11/01/2025 | 07:30:01 | 72.71, 59.38 | 87.19 | 11/01/2025 | 07:31:08 | 72.72, 59.37 | 87.20 | 1.17 | 67 |
| 8 | 11/01/2025 | 08:20:45 | -72.73,-133.35 | 92.78 | 11/01/2025 | 08:21:50 | -72.72,-133.30 | 92.79 | 1.95 | 65 |
| 9 | 11/01/2025 | 09:11:31 | 72.72, 33.98 | 87.23 | 11/01/2025 | 09:12:30 | 72.70, 33.99 | 87.20 | 2.48 | 59 |
| 10 | 11/01/2025 | 10:02:14 | -72.69,-158.64 | 92.79 | 11/01/2025 | 10:03:12 | -72.70,-158.68 | 92.79 | 1.66 | 58 |
| 11 | 11/01/2025 | 10:53:00 | 72.68, 8.69 | 87.21 | 11/01/2025 | 10:53:52 | 72.68, 8.61 | 87.21 | 2.77 | 52 |
| 12 | 11/01/2025 | 11:43:44 | -72.71, 175.96 | 92.76 | 11/01/2025 | 11:44:34 | -72.68, 175.94 | 92.79 | 2.94 | 50 |
| 13 | 11/01/2025 | 12:34:30 | 72.70, -16.71 | 87.25 | 11/01/2025 | 12:35:13 | 72.71, -16.67 | 87.26 | 2.09 | 43 |
| 14 | 11/01/2025 | 13:25:14 | -72.72, 150.57 | 92.73 | 11/01/2025 | 13:25:55 | -72.71, 150.66 | 92.74 | 3.14 | 41 |
| 15 | 11/01/2025 | 14:16:00 | 72.71, -42.11 | 87.28 | 11/01/2025 | 14:16:35 | 72.69, -42.05 | 87.26 | 2.65 | 35 |
| 16 | 11/01/2025 | 15:06:43 | -72.68, 125.27 | 92.74 | 11/01/2025 | 15:07:17 | -72.69, 125.28 | 92.73 | 1.39 | 34 |
| 17 | 11/01/2025 | 15:57:29 | 72.67, -67.40 | 87.26 | 11/01/2025 | 15:57:57 | 72.67, -67.43 | 87.26 | 1.11 | 28 |
| 18 | 11/01/2025 | 16:48:13 | -72.69, 99.87 | 92.71 | 11/01/2025 | 16:48:39 | -72.67, 99.90 | 92.73 | 2.28 | 26 |
| 19 | 11/01/2025 | 17:38:59 | 72.68, -92.80 | 87.30 | 11/01/2025 | 17:39:19 | 72.65, -92.81 | 87.26 | 3.51 | 20 |
| 20 | 11/01/2025 | 18:29:42 | -72.65, 74.58 | 92.73 | 11/01/2025 | 18:30:01 | -72.65, 74.51 | 92.73 | 2.19 | 19 |
| 21 | 11/01/2025 | 19:20:28 | 72.69,-118.20 | 87.33 | 11/01/2025 | 19:20:39 | 72.68,-118.09 | 87.32 | 3.73 | 11 |
| 22 | 11/01/2025 | 20:11:11 | -72.66, 49.18 | 92.69 | 11/01/2025 | 20:11:21 | -72.68, 49.24 | 92.68 | 2.70 | 10 |
| 23 | 11/01/2025 | 21:01:57 | 72.65,-143.49 | 87.31 | 11/01/2025 | 21:02:01 | 72.66,-143.47 | 87.32 | 0.84 | 4 |
| 24 | 11/01/2025 | 21:52:41 | -72.67, 23.78 | 92.66 | 11/01/2025 | 21:52:43 | -72.66, 23.86 | 92.67 | 2.82 | 2 |
| 25 | 11/01/2025 | 22:43:27 | 72.66,-168.89 | 87.35 | 11/01/2025 | 22:43:23 | 72.64,-168.86 | 87.32 | 3.15 | 4 |
| 26 | 11/01/2025 | 23:34:10 | -72.64, -1.51 | 92.68 | 11/01/2025 | 23:34:05 | -72.64, -1.53 | 92.67 | 0.75 | 5 |
| 27 | 11/02/2025 | 00:24:56 | 72.63, 165.82 | 87.33 | 11/02/2025 | 00:24:45 | 72.62, 165.76 | 87.32 | 2.03 | 11 |
| 28 | 11/02/2025 | 01:15:40 | -72.65, -26.91 | 92.64 | 11/02/2025 | 01:15:27 | -72.62, -26.91 | 92.67 | 3.03 | 13 |
| 29 | 11/02/2025 | 02:06:26 | 72.64, 140.42 | 87.37 | 11/02/2025 | 02:06:06 | 72.65, 140.49 | 87.38 | 2.47 | 20 |
| 30 | 11/02/2025 | 02:57:09 | -72.61, -52.20 | 92.66 | 11/02/2025 | 02:56:49 | -72.60, -52.29 | 92.67 | 3.02 | 20 |
| 31 | 11/02/2025 | 03:47:55 | 72.60, 115.13 | 87.35 | 11/02/2025 | 03:47:28 | 72.63, 115.10 | 87.38 | 3.28 | 27 |
| 32 | 11/02/2025 | 04:38:39 | -72.62, -77.60 | 92.63 | 11/02/2025 | 04:38:10 | -72.63, -77.57 | 92.61 | 1.58 | 29 |
| 33 | 11/02/2025 | 05:29:25 | 72.61, 89.73 | 87.38 | 11/02/2025 | 05:28:50 | 72.61, 89.72 | 87.38 | 0.44 | 35 |
| 34 | 11/02/2025 | 06:20:09 | -72.63,-103.00 | 92.59 | 11/02/2025 | 06:19:32 | -72.61,-102.95 | 92.61 | 2.96 | 37 |
| 35 | 11/02/2025 | 07:10:54 | 72.57, 64.43 | 87.36 | 11/02/2025 | 07:10:12 | 72.59, 64.34 | 87.38 | 3.47 | 42 |
| 36 | 11/02/2025 | 08:01:38 | -72.59,-128.29 | 92.61 | 11/02/2025 | 08:00:54 | -72.59,-128.33 | 92.61 | 1.26 | 44 |
| 37 | 11/02/2025 | 08:52:24 | 72.58, 39.03 | 87.40 | 11/02/2025 | 08:51:34 | 72.57, 38.96 | 87.39 | 3.19 | 50 |
| 38 | 11/02/2025 | 09:43:08 | -72.60,-153.69 | 92.57 | 11/02/2025 | 09:42:15 | -72.62,-153.61 | 92.56 | 3.26 | 53 |
| 39 | 11/02/2025 | 10:33:54 | 72.60, 13.64 | 87.43 | 11/02/2025 | 10:32:55 | 72.60, 13.68 | 87.44 | 1.50 | 59 |
| 40 | 11/02/2025 | 11:24:37 | -72.57,-178.98 | 92.59 | 11/02/2025 | 11:23:37 | -72.60,-178.99 | 92.55 | 3.77 | 60 |
| 41 | 11/02/2025 | 12:15:23 | 72.56, -11.66 | 87.41 | 11/02/2025 | 12:14:17 | 72.58, -11.70 | 87.44 | 2.53 | 66 |
| 42 | 11/02/2025 | 13:06:07 | -72.58, 155.62 | 92.56 | 11/02/2025 | 13:04:59 | -72.58, 155.63 | 92.55 | 0.50 | 68 |
| 43 | 11/02/2025 | 13:56:53 | 72.57, -37.06 | 87.45 | 11/02/2025 | 13:55:39 | 72.56, -37.08 | 87.44 | 1.73 | 74 |
| 44 | 11/02/2025 | 14:47:36 | -72.54, 130.32 | 92.58 | 11/02/2025 | 14:46:21 | -72.56, 130.25 | 92.55 | 3.30 | 75 |
| 45 | 11/02/2025 | 15:38:17 | 72.27, -61.84 | 87.17 | 11/02/2025 | 15:37:06 | 72.28, -62.97 | 87.20 | 38.15 | 71 |
| 46 | 11/02/2025 | 16:29:00 | -72.25, 105.53 | 92.86 | 11/02/2025 | 16:27:49 | -72.23, 104.27 | 92.84 | 42.99 | 71 |
| 47 | 11/02/2025 | 17:19:41 | 71.98, -86.65 | 86.88 | 11/02/2025 | 17:18:33 | 72.00, -88.84 | 86.95 | 75.51 | 68 |
| 48 | 11/02/2025 | 18:10:24 | -71.95, 80.72 | 93.14 | 11/02/2025 | 18:09:16 | -71.96, 78.40 | 93.08 | 80.12 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 10/23/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 10/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C