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: 9/28/2025
| 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 | 74.96, 107.68 | 80.32 | 10/06/2025 | 03:56:54 | 74.90, 110.10 | 80.14 | 70.41 | 68 |
| 2 | 10/06/2025 | 04:46:29 | -74.93, -84.92 | 99.71 | 10/06/2025 | 04:47:37 | -74.87, -82.64 | 99.87 | 66.43 | 68 |
| 3 | 10/06/2025 | 05:37:10 | 74.68, 83.09 | 80.03 | 10/06/2025 | 05:38:22 | 74.59, 83.93 | 79.90 | 26.72 | 72 |
| 4 | 10/06/2025 | 06:27:52 | -74.60,-109.39 | 100.04 | 10/06/2025 | 06:29:05 | -74.57,-108.81 | 100.11 | 17.67 | 73 |
| 5 | 10/06/2025 | 07:18:36 | 74.49, 58.21 | 79.86 | 10/06/2025 | 07:19:46 | 74.48, 58.29 | 79.82 | 3.06 | 70 |
| 6 | 10/06/2025 | 08:09:19 | -74.47,-134.40 | 100.17 | 10/06/2025 | 08:10:29 | -74.46,-134.44 | 100.19 | 1.72 | 70 |
| 7 | 10/06/2025 | 09:00:05 | 74.45, 32.94 | 79.84 | 10/06/2025 | 09:01:08 | 74.46, 32.91 | 79.84 | 1.23 | 63 |
| 8 | 10/06/2025 | 09:50:49 | -74.47,-159.80 | 100.13 | 10/06/2025 | 09:51:50 | -74.49,-159.70 | 100.13 | 3.33 | 61 |
| 9 | 10/06/2025 | 10:41:35 | 74.46, 7.54 | 79.87 | 10/06/2025 | 10:42:30 | 74.44, 7.52 | 79.85 | 2.13 | 55 |
| 10 | 10/06/2025 | 11:32:19 | -74.48, 174.81 | 100.09 | 10/06/2025 | 11:33:12 | -74.47, 174.92 | 100.12 | 3.63 | 53 |
| 11 | 10/06/2025 | 12:23:05 | 74.47, -17.85 | 79.91 | 10/06/2025 | 12:23:51 | 74.48, -17.73 | 79.90 | 3.74 | 46 |
| 12 | 10/06/2025 | 13:13:48 | -74.44, 149.54 | 100.11 | 10/06/2025 | 13:14:34 | -74.46, 149.54 | 100.11 | 1.41 | 46 |
| 13 | 10/06/2025 | 14:04:34 | 74.43, -43.12 | 79.89 | 10/06/2025 | 14:05:13 | 74.46, -43.11 | 79.92 | 3.29 | 39 |
| 14 | 10/06/2025 | 14:55:18 | -74.45, 124.14 | 100.07 | 10/06/2025 | 14:55:56 | -74.44, 124.16 | 100.09 | 1.43 | 38 |
| 15 | 10/06/2025 | 15:46:04 | 74.44, -68.52 | 79.93 | 10/06/2025 | 15:46:35 | 74.44, -68.50 | 79.93 | 0.92 | 31 |
| 16 | 10/06/2025 | 16:36:47 | -74.41, 98.87 | 100.09 | 10/06/2025 | 16:37:18 | -74.42, 98.77 | 100.08 | 3.12 | 31 |
| 17 | 10/06/2025 | 17:27:34 | 74.45, -93.92 | 79.97 | 10/06/2025 | 17:27:57 | 74.43, -93.88 | 79.94 | 2.58 | 23 |
| 18 | 10/06/2025 | 18:18:17 | -74.42, 73.47 | 100.06 | 10/06/2025 | 18:18:40 | -74.41, 73.39 | 100.07 | 2.78 | 23 |
| 19 | 10/06/2025 | 19:09:03 | 74.41,-119.19 | 79.95 | 10/06/2025 | 19:09:19 | 74.41,-119.26 | 79.95 | 2.17 | 16 |
| 20 | 10/06/2025 | 19:59:47 | -74.43, 48.08 | 100.02 | 10/06/2025 | 20:00:01 | -74.44, 48.14 | 100.01 | 2.21 | 14 |
| 21 | 10/06/2025 | 20:50:33 | 74.42,-144.59 | 79.99 | 10/06/2025 | 20:50:41 | 74.40,-144.64 | 79.97 | 2.93 | 8 |
| 22 | 10/06/2025 | 21:41:17 | -74.44, 22.68 | 99.98 | 10/06/2025 | 21:41:23 | -74.42, 22.76 | 100.00 | 2.78 | 6 |
| 23 | 10/06/2025 | 22:32:03 | 74.43,-169.98 | 80.02 | 10/06/2025 | 22:32:02 | 74.43,-169.90 | 80.02 | 2.57 | 1 |
| 24 | 10/06/2025 | 23:22:46 | -74.40, -2.59 | 100.00 | 10/06/2025 | 23:22:45 | -74.41, -2.63 | 99.99 | 1.50 | 1 |
| 25 | 10/07/2025 | 00:13:32 | 74.39, 164.75 | 80.01 | 10/07/2025 | 00:13:24 | 74.41, 164.72 | 80.03 | 3.01 | 8 |
| 26 | 10/07/2025 | 01:04:16 | -74.41, -27.99 | 99.96 | 10/07/2025 | 01:04:07 | -74.39, -28.01 | 99.98 | 1.77 | 9 |
| 27 | 10/07/2025 | 01:55:02 | 74.40, 139.35 | 80.04 | 10/07/2025 | 01:54:46 | 74.40, 139.34 | 80.05 | 0.36 | 16 |
| 28 | 10/07/2025 | 02:45:46 | -74.42, -53.39 | 99.93 | 10/07/2025 | 02:45:28 | -74.43, -53.26 | 99.92 | 3.78 | 18 |
| 29 | 10/07/2025 | 03:36:32 | 74.40, 113.95 | 80.08 | 10/07/2025 | 03:36:08 | 74.38, 113.96 | 80.06 | 2.66 | 24 |
| 30 | 10/07/2025 | 04:27:15 | -74.38, -78.66 | 99.94 | 10/07/2025 | 04:26:50 | -74.41, -78.65 | 99.91 | 3.63 | 25 |
| 31 | 10/07/2025 | 05:18:01 | 74.36, 88.68 | 80.06 | 10/07/2025 | 05:17:30 | 74.36, 88.57 | 80.07 | 3.24 | 31 |
| 32 | 10/07/2025 | 06:08:45 | -74.39,-104.05 | 99.91 | 10/07/2025 | 06:08:12 | -74.39,-104.03 | 99.90 | 1.15 | 33 |
| 33 | 10/07/2025 | 06:59:30 | 74.37, 63.29 | 80.10 | 10/07/2025 | 06:58:50 | 74.40, 63.32 | 80.13 | 2.82 | 40 |
| 34 | 10/07/2025 | 07:50:14 | -74.39,-129.45 | 99.87 | 10/07/2025 | 07:49:33 | -74.38,-129.41 | 99.88 | 2.28 | 41 |
| 35 | 10/07/2025 | 08:41:00 | 74.38, 37.89 | 80.13 | 10/07/2025 | 08:40:12 | 74.38, 37.94 | 80.14 | 1.46 | 48 |
| 36 | 10/07/2025 | 09:31:43 | -74.35,-154.72 | 99.89 | 10/07/2025 | 09:30:55 | -74.36,-154.79 | 99.87 | 2.21 | 48 |
| 37 | 10/07/2025 | 10:22:29 | 74.34, 12.62 | 80.12 | 10/07/2025 | 10:21:34 | 74.37, 12.55 | 80.15 | 3.11 | 55 |
| 38 | 10/07/2025 | 11:13:13 | -74.36, 179.88 | 99.85 | 10/07/2025 | 11:12:17 | -74.35, 179.83 | 99.86 | 2.64 | 56 |
| 39 | 10/07/2025 | 12:03:59 | 74.35, -12.78 | 80.15 | 10/07/2025 | 12:02:56 | 74.35, -12.83 | 80.16 | 1.46 | 63 |
| 40 | 10/07/2025 | 12:54:43 | -74.37, 154.48 | 99.81 | 10/07/2025 | 12:53:38 | -74.38, 154.57 | 99.80 | 2.65 | 65 |
| 41 | 10/07/2025 | 13:45:29 | 74.36, -38.18 | 80.19 | 10/07/2025 | 13:44:18 | 74.33, -38.21 | 80.18 | 3.26 | 71 |
| 42 | 10/07/2025 | 14:36:12 | -74.33, 129.21 | 99.83 | 10/07/2025 | 14:35:00 | -74.36, 129.19 | 99.79 | 3.29 | 72 |
| 43 | 10/07/2025 | 15:26:55 | 74.17, -63.07 | 80.01 | 10/07/2025 | 15:25:43 | 74.17, -63.96 | 80.06 | 27.01 | 72 |
| 44 | 10/07/2025 | 16:17:38 | -74.15, 104.31 | 100.01 | 10/07/2025 | 16:16:26 | -74.15, 103.31 | 99.95 | 30.43 | 72 |
| 45 | 10/07/2025 | 17:08:19 | 73.89, -87.74 | 79.73 | 10/07/2025 | 17:07:11 | 73.86, -90.07 | 79.81 | 72.06 | 68 |
| 46 | 10/07/2025 | 17:59:02 | -73.86, 79.64 | 100.29 | 10/07/2025 | 17:57:54 | -73.84, 77.21 | 100.20 | 75.25 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/28/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 09/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B