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: 11/1/2025
| 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 | 14:15:59 | 72.69, -42.07 | 87.26 | 11/01/2025 | 14:16:34 | 72.71, -42.02 | 87.28 | 3.05 | 35 |
| 2 | 11/01/2025 | 15:06:42 | -72.67, 125.29 | 92.75 | 11/01/2025 | 15:07:16 | -72.70, 125.29 | 92.72 | 3.70 | 34 |
| 3 | 11/01/2025 | 15:57:29 | 72.70, -67.47 | 87.29 | 11/01/2025 | 15:57:56 | 72.69, -67.40 | 87.28 | 2.44 | 27 |
| 4 | 11/01/2025 | 16:48:12 | -72.68, 99.89 | 92.72 | 11/01/2025 | 16:48:38 | -72.68, 99.91 | 92.72 | 0.63 | 26 |
| 5 | 11/01/2025 | 17:38:58 | 72.66, -92.76 | 87.28 | 11/01/2025 | 17:39:18 | 72.67, -92.78 | 87.28 | 1.27 | 20 |
| 6 | 11/01/2025 | 18:29:41 | -72.64, 74.60 | 92.74 | 11/01/2025 | 18:30:00 | -72.66, 74.53 | 92.72 | 3.24 | 19 |
| 7 | 11/01/2025 | 19:20:28 | 72.67,-118.16 | 87.31 | 11/01/2025 | 19:20:40 | 72.65,-118.16 | 87.29 | 2.52 | 12 |
| 8 | 11/01/2025 | 20:11:11 | -72.65, 49.20 | 92.70 | 11/01/2025 | 20:11:22 | -72.64, 49.15 | 92.71 | 2.14 | 11 |
| 9 | 11/01/2025 | 21:01:57 | 72.63,-143.45 | 87.29 | 11/01/2025 | 21:02:02 | 72.63,-143.54 | 87.29 | 3.09 | 5 |
| 10 | 11/01/2025 | 21:52:41 | -72.66, 23.80 | 92.67 | 11/01/2025 | 21:52:43 | -72.67, 23.87 | 92.66 | 2.41 | 2 |
| 11 | 11/01/2025 | 22:43:27 | 72.64,-168.85 | 87.33 | 11/01/2025 | 22:43:23 | 72.66,-168.82 | 87.34 | 1.90 | 4 |
| 12 | 11/01/2025 | 23:34:10 | -72.62, -1.49 | 92.69 | 11/01/2025 | 23:34:05 | -72.65, -1.51 | 92.66 | 3.04 | 5 |
| 13 | 11/02/2025 | 00:24:57 | 72.66, 165.75 | 87.36 | 11/02/2025 | 00:24:45 | 72.64, 165.80 | 87.34 | 2.44 | 12 |
| 14 | 11/02/2025 | 01:15:40 | -72.64, -26.89 | 92.65 | 11/02/2025 | 01:15:27 | -72.63, -26.89 | 92.66 | 0.57 | 13 |
| 15 | 11/02/2025 | 02:06:26 | 72.62, 140.46 | 87.34 | 11/02/2025 | 02:06:07 | 72.62, 140.42 | 87.35 | 1.42 | 19 |
| 16 | 11/02/2025 | 02:57:09 | -72.60, -52.18 | 92.67 | 11/02/2025 | 02:56:49 | -72.61, -52.27 | 92.65 | 3.35 | 20 |
| 17 | 11/02/2025 | 03:47:56 | 72.63, 115.06 | 87.38 | 11/02/2025 | 03:47:28 | 72.65, 115.14 | 87.40 | 3.42 | 28 |
| 18 | 11/02/2025 | 04:38:39 | -72.61, -77.58 | 92.64 | 11/02/2025 | 04:38:11 | -72.59, -77.65 | 92.65 | 3.14 | 28 |
| 19 | 11/02/2025 | 05:29:26 | 72.64, 89.66 | 87.41 | 11/02/2025 | 05:28:50 | 72.63, 89.76 | 87.40 | 3.42 | 36 |
| 20 | 11/02/2025 | 06:20:09 | -72.62,-102.98 | 92.60 | 11/02/2025 | 06:19:32 | -72.62,-102.93 | 92.60 | 1.57 | 37 |
| 21 | 11/02/2025 | 07:10:55 | 72.60, 64.37 | 87.39 | 11/02/2025 | 07:10:12 | 72.61, 64.38 | 87.40 | 0.75 | 43 |
| 22 | 11/02/2025 | 08:01:38 | -72.58,-128.27 | 92.62 | 11/02/2025 | 08:00:54 | -72.60,-128.31 | 92.60 | 2.57 | 44 |
| 23 | 11/02/2025 | 08:52:25 | 72.61, 38.97 | 87.43 | 11/02/2025 | 08:51:34 | 72.59, 39.00 | 87.41 | 2.99 | 51 |
| 24 | 11/02/2025 | 09:43:08 | -72.59,-153.67 | 92.59 | 11/02/2025 | 09:42:16 | -72.58,-153.69 | 92.59 | 1.53 | 52 |
| 25 | 11/02/2025 | 10:33:54 | 72.57, 13.68 | 87.41 | 11/02/2025 | 10:32:56 | 72.57, 13.61 | 87.41 | 2.25 | 58 |
| 26 | 11/02/2025 | 11:24:38 | -72.60,-179.07 | 92.55 | 11/02/2025 | 11:23:37 | -72.61,-178.97 | 92.54 | 3.32 | 61 |
| 27 | 11/02/2025 | 12:15:24 | 72.59, -11.72 | 87.44 | 11/02/2025 | 12:14:17 | 72.60, -11.66 | 87.46 | 2.28 | 67 |
| 28 | 11/02/2025 | 13:06:07 | -72.57, 155.64 | 92.57 | 11/02/2025 | 13:04:59 | -72.59, 155.65 | 92.54 | 2.89 | 68 |
| 29 | 11/02/2025 | 13:56:54 | 72.60, -37.12 | 87.48 | 11/02/2025 | 13:55:39 | 72.58, -37.05 | 87.46 | 3.38 | 75 |
| 30 | 11/02/2025 | 14:47:36 | -72.53, 130.34 | 92.59 | 11/02/2025 | 14:46:22 | -72.52, 130.17 | 92.59 | 5.99 | 74 |
| 31 | 11/02/2025 | 15:38:18 | 72.30, -61.90 | 87.20 | 11/02/2025 | 15:37:06 | 72.30, -62.93 | 87.22 | 34.86 | 72 |
| 32 | 11/02/2025 | 16:29:00 | -72.23, 105.55 | 92.87 | 11/02/2025 | 16:27:49 | -72.25, 104.28 | 92.83 | 43.11 | 71 |
| 33 | 11/02/2025 | 17:19:42 | 72.01, -86.71 | 86.91 | 11/02/2025 | 17:18:34 | 71.97, -88.91 | 86.93 | 75.74 | 68 |
| 34 | 11/02/2025 | 18:10:24 | -71.94, 80.74 | 93.15 | 11/02/2025 | 18:09:16 | -71.97, 78.42 | 93.07 | 80.31 | 68 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 11/1/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 11/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C