Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/25/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 10/06/2025 | 03:55:46 | 74.97, 107.65 | 80.33 | 10/06/2025 | 03:56:53 | 74.95, 110.26 | 80.19 | 75.42 | 67 |
| 2 | 10/06/2025 | 04:46:29 | -74.94, -84.95 | 99.69 | 10/06/2025 | 04:47:37 | -74.88, -82.61 | 99.86 | 67.96 | 68 |
| 3 | 10/06/2025 | 05:37:10 | 74.69, 83.05 | 80.05 | 10/06/2025 | 05:38:21 | 74.64, 84.08 | 79.95 | 30.59 | 71 |
| 4 | 10/06/2025 | 06:27:52 | -74.61,-109.41 | 100.03 | 10/06/2025 | 06:29:05 | -74.58,-108.78 | 100.11 | 19.19 | 73 |
| 5 | 10/06/2025 | 07:18:35 | 74.46, 58.30 | 79.82 | 10/06/2025 | 07:19:46 | 74.48, 58.31 | 79.83 | 2.80 | 71 |
| 6 | 10/06/2025 | 08:09:19 | -74.48,-134.43 | 100.16 | 10/06/2025 | 08:10:29 | -74.47,-134.42 | 100.18 | 1.21 | 70 |
| 7 | 10/06/2025 | 09:00:05 | 74.47, 32.91 | 79.85 | 10/06/2025 | 09:01:08 | 74.47, 32.93 | 79.84 | 0.58 | 63 |
| 8 | 10/06/2025 | 09:50:48 | -74.44,-159.70 | 100.17 | 10/06/2025 | 09:51:51 | -74.45,-159.80 | 100.17 | 3.38 | 63 |
| 9 | 10/06/2025 | 10:41:35 | 74.48, 7.51 | 79.89 | 10/06/2025 | 10:42:30 | 74.45, 7.54 | 79.85 | 2.90 | 55 |
| 10 | 10/06/2025 | 11:32:18 | -74.44, 174.91 | 100.14 | 10/06/2025 | 11:33:13 | -74.43, 174.82 | 100.15 | 2.86 | 55 |
| 11 | 10/06/2025 | 12:23:04 | 74.44, -17.76 | 79.87 | 10/06/2025 | 12:23:52 | 74.44, -17.84 | 79.87 | 2.30 | 48 |
| 12 | 10/06/2025 | 13:13:48 | -74.45, 149.51 | 100.10 | 10/06/2025 | 13:14:34 | -74.47, 149.57 | 100.10 | 2.21 | 46 |
| 13 | 10/06/2025 | 14:04:34 | 74.44, -43.16 | 79.91 | 10/06/2025 | 14:05:13 | 74.47, -43.09 | 79.92 | 3.30 | 39 |
| 14 | 10/06/2025 | 14:55:18 | -74.46, 124.11 | 100.06 | 10/06/2025 | 14:55:56 | -74.45, 124.19 | 100.08 | 2.52 | 38 |
| 15 | 10/06/2025 | 15:46:04 | 74.45, -68.56 | 79.95 | 10/06/2025 | 15:46:35 | 74.45, -68.47 | 79.94 | 2.44 | 31 |
| 16 | 10/06/2025 | 16:36:47 | -74.42, 98.84 | 100.08 | 10/06/2025 | 16:37:18 | -74.43, 98.80 | 100.07 | 1.78 | 31 |
| 17 | 10/06/2025 | 17:27:33 | 74.41, -93.82 | 79.93 | 10/06/2025 | 17:27:57 | 74.44, -93.86 | 79.95 | 2.70 | 24 |
| 18 | 10/06/2025 | 18:18:17 | -74.43, 73.45 | 100.04 | 10/06/2025 | 18:18:40 | -74.42, 73.42 | 100.06 | 1.57 | 23 |
| 19 | 10/06/2025 | 19:09:03 | 74.42,-119.22 | 79.96 | 10/06/2025 | 19:09:19 | 74.42,-119.24 | 79.96 | 0.49 | 16 |
| 20 | 10/06/2025 | 19:59:47 | -74.44, 48.05 | 100.01 | 10/06/2025 | 20:00:01 | -74.45, 48.17 | 100.00 | 3.77 | 14 |
| 21 | 10/06/2025 | 20:50:33 | 74.43,-144.62 | 80.00 | 10/06/2025 | 20:50:41 | 74.40,-144.62 | 79.97 | 2.98 | 8 |
| 22 | 10/06/2025 | 21:41:16 | -74.40, 22.78 | 100.02 | 10/06/2025 | 21:41:24 | -74.39, 22.66 | 100.03 | 3.85 | 8 |
| 23 | 10/06/2025 | 22:32:02 | 74.39,-169.89 | 79.98 | 10/06/2025 | 22:32:03 | 74.39,-170.00 | 79.99 | 3.32 | 1 |
| 24 | 10/06/2025 | 23:22:46 | -74.41, -2.62 | 99.99 | 10/06/2025 | 23:22:45 | -74.42, -2.60 | 99.98 | 1.36 | 1 |
| 25 | 10/07/2025 | 00:13:32 | 74.40, 164.71 | 80.02 | 10/07/2025 | 00:13:24 | 74.42, 164.74 | 80.04 | 2.54 | 8 |
| 26 | 10/07/2025 | 01:04:16 | -74.42, -28.02 | 99.95 | 10/07/2025 | 01:04:07 | -74.40, -27.98 | 99.97 | 1.98 | 9 |
| 27 | 10/07/2025 | 01:55:02 | 74.41, 139.32 | 80.06 | 10/07/2025 | 01:54:46 | 74.41, 139.36 | 80.05 | 1.49 | 16 |
| 28 | 10/07/2025 | 02:45:45 | -74.38, -53.29 | 99.97 | 10/07/2025 | 02:45:29 | -74.39, -53.36 | 99.95 | 2.38 | 16 |
| 29 | 10/07/2025 | 03:36:31 | 74.37, 114.04 | 80.04 | 10/07/2025 | 03:36:08 | 74.39, 113.98 | 80.07 | 2.93 | 23 |
| 30 | 10/07/2025 | 04:27:15 | -74.39, -78.68 | 99.93 | 10/07/2025 | 04:26:51 | -74.37, -78.74 | 99.94 | 2.38 | 24 |
| 31 | 10/07/2025 | 05:18:01 | 74.38, 88.65 | 80.08 | 10/07/2025 | 05:17:30 | 74.37, 88.60 | 80.08 | 1.52 | 31 |
| 32 | 10/07/2025 | 06:08:45 | -74.40,-104.08 | 99.89 | 10/07/2025 | 06:08:12 | -74.41,-104.00 | 99.88 | 2.76 | 33 |
| 33 | 10/07/2025 | 06:59:31 | 74.39, 63.25 | 80.11 | 10/07/2025 | 06:58:52 | 74.36, 63.22 | 80.09 | 3.45 | 39 |
| 34 | 10/07/2025 | 07:50:15 | -74.41,-129.48 | 99.86 | 10/07/2025 | 07:49:34 | -74.39,-129.38 | 99.87 | 3.55 | 41 |
| 35 | 10/07/2025 | 08:41:01 | 74.40, 37.85 | 80.15 | 10/07/2025 | 08:40:13 | 74.39, 37.96 | 80.15 | 3.37 | 48 |
| 36 | 10/07/2025 | 09:31:44 | -74.37,-154.75 | 99.88 | 10/07/2025 | 09:30:56 | -74.37,-154.76 | 99.86 | 0.88 | 48 |
| 37 | 10/07/2025 | 10:22:30 | 74.36, 12.58 | 80.13 | 10/07/2025 | 10:21:35 | 74.38, 12.58 | 80.16 | 2.00 | 55 |
| 38 | 10/07/2025 | 11:13:14 | -74.38, 179.85 | 99.84 | 10/07/2025 | 11:12:18 | -74.36, 179.86 | 99.85 | 1.94 | 56 |
| 39 | 10/07/2025 | 12:04:00 | 74.37, -12.82 | 80.17 | 10/07/2025 | 12:02:57 | 74.36, -12.80 | 80.17 | 0.91 | 63 |
| 40 | 10/07/2025 | 12:54:43 | -74.34, 154.58 | 99.86 | 10/07/2025 | 12:53:40 | -74.34, 154.48 | 99.83 | 3.15 | 63 |
| 41 | 10/07/2025 | 13:45:28 | 74.33, -38.09 | 80.15 | 10/07/2025 | 13:44:18 | 74.34, -38.18 | 80.19 | 3.40 | 70 |
| 42 | 10/07/2025 | 14:36:12 | -74.34, 129.18 | 99.82 | 10/07/2025 | 14:35:01 | -74.33, 129.10 | 99.82 | 3.31 | 71 |
| 43 | 10/07/2025 | 15:26:55 | 74.19, -63.11 | 80.03 | 10/07/2025 | 15:25:42 | 74.23, -63.81 | 80.11 | 21.76 | 73 |
| 44 | 10/07/2025 | 16:17:38 | -74.16, 104.28 | 100.00 | 10/07/2025 | 16:16:26 | -74.16, 103.35 | 99.94 | 28.51 | 72 |
| 45 | 10/07/2025 | 17:08:19 | 73.90, -87.77 | 79.74 | 10/07/2025 | 17:07:10 | 73.92, -89.92 | 79.86 | 66.26 | 69 |
| 46 | 10/07/2025 | 17:59:02 | -73.87, 79.61 | 100.28 | 10/07/2025 | 17:57:54 | -73.85, 77.24 | 100.19 | 73.30 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/25/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 09/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B