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: 9/26/2025
| 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 | 03:55:47 | 74.99, 107.59 | 80.35 | 10/06/2025 | 03:56:54 | 74.93, 110.19 | 80.17 | 75.29 | 67 |
| 2 | 10/06/2025 | 04:46:29 | -74.91, -84.86 | 99.73 | 10/06/2025 | 04:47:38 | -74.86, -82.68 | 99.88 | 63.73 | 69 |
| 3 | 10/06/2025 | 05:37:10 | 74.66, 83.13 | 80.01 | 10/06/2025 | 05:38:22 | 74.62, 84.01 | 79.93 | 26.29 | 72 |
| 4 | 10/06/2025 | 06:27:53 | -74.63,-109.47 | 100.01 | 10/06/2025 | 06:29:06 | -74.55,-108.84 | 100.13 | 20.34 | 73 |
| 5 | 10/06/2025 | 07:18:36 | 74.48, 58.26 | 79.84 | 10/06/2025 | 07:19:47 | 74.46, 58.25 | 79.81 | 1.88 | 71 |
| 6 | 10/06/2025 | 08:09:20 | -74.49,-134.48 | 100.13 | 10/06/2025 | 08:10:29 | -74.49,-134.35 | 100.16 | 3.73 | 69 |
| 7 | 10/06/2025 | 09:00:05 | 74.44, 32.99 | 79.82 | 10/06/2025 | 09:01:09 | 74.44, 32.86 | 79.82 | 3.76 | 64 |
| 8 | 10/06/2025 | 09:50:49 | -74.45,-159.75 | 100.15 | 10/06/2025 | 09:51:51 | -74.47,-159.73 | 100.14 | 2.09 | 62 |
| 9 | 10/06/2025 | 10:41:35 | 74.44, 7.59 | 79.86 | 10/06/2025 | 10:42:30 | 74.48, 7.61 | 79.88 | 3.58 | 55 |
| 10 | 10/06/2025 | 11:32:19 | -74.46, 174.86 | 100.12 | 10/06/2025 | 11:33:13 | -74.46, 174.88 | 100.13 | 1.04 | 54 |
| 11 | 10/06/2025 | 12:23:05 | 74.45, -17.81 | 79.89 | 10/06/2025 | 12:23:52 | 74.46, -17.77 | 79.89 | 1.32 | 47 |
| 12 | 10/06/2025 | 13:13:47 | -74.42, 149.59 | 100.13 | 10/06/2025 | 13:14:34 | -74.44, 149.50 | 100.12 | 3.23 | 47 |
| 13 | 10/06/2025 | 14:04:34 | 74.46, -43.20 | 79.93 | 10/06/2025 | 14:05:13 | 74.44, -43.15 | 79.90 | 2.48 | 39 |
| 14 | 10/06/2025 | 14:55:17 | -74.43, 124.19 | 100.10 | 10/06/2025 | 14:55:56 | -74.43, 124.12 | 100.11 | 2.18 | 39 |
| 15 | 10/06/2025 | 15:46:03 | 74.42, -68.47 | 79.91 | 10/06/2025 | 15:46:35 | 74.43, -68.54 | 79.91 | 1.96 | 32 |
| 16 | 10/06/2025 | 16:36:47 | -74.44, 98.79 | 100.06 | 10/06/2025 | 16:37:17 | -74.46, 98.87 | 100.05 | 2.94 | 30 |
| 17 | 10/06/2025 | 17:27:33 | 74.43, -93.87 | 79.95 | 10/06/2025 | 17:27:57 | 74.41, -93.92 | 79.93 | 2.45 | 24 |
| 18 | 10/06/2025 | 18:18:17 | -74.45, 73.40 | 100.02 | 10/06/2025 | 18:18:39 | -74.44, 73.49 | 100.04 | 2.76 | 22 |
| 19 | 10/06/2025 | 19:09:03 | 74.44,-119.27 | 79.98 | 10/06/2025 | 19:09:18 | 74.45,-119.17 | 79.98 | 2.97 | 15 |
| 20 | 10/06/2025 | 19:59:46 | -74.41, 48.13 | 100.04 | 10/06/2025 | 20:00:01 | -74.43, 48.10 | 100.02 | 2.02 | 15 |
| 21 | 10/06/2025 | 20:50:32 | 74.40,-144.54 | 79.97 | 10/06/2025 | 20:50:40 | 74.43,-144.55 | 80.00 | 3.36 | 8 |
| 22 | 10/06/2025 | 21:41:16 | -74.42, 22.73 | 100.00 | 10/06/2025 | 21:41:23 | -74.41, 22.72 | 100.01 | 0.86 | 7 |
| 23 | 10/06/2025 | 22:32:02 | 74.41,-169.94 | 80.00 | 10/06/2025 | 22:32:02 | 74.41,-169.93 | 80.01 | 0.57 | 0 |
| 24 | 10/06/2025 | 23:22:46 | -74.43, -2.67 | 99.97 | 10/06/2025 | 23:22:45 | -74.40, -2.66 | 100.00 | 3.58 | 1 |
| 25 | 10/07/2025 | 00:13:32 | 74.42, 164.67 | 80.04 | 10/07/2025 | 00:13:24 | 74.40, 164.68 | 80.02 | 2.24 | 8 |
| 26 | 10/07/2025 | 01:04:15 | -74.39, -27.94 | 99.98 | 10/07/2025 | 01:04:07 | -74.38, -28.04 | 99.99 | 3.19 | 8 |
| 27 | 10/07/2025 | 01:55:01 | 74.38, 139.40 | 80.02 | 10/07/2025 | 01:54:46 | 74.38, 139.30 | 80.03 | 2.88 | 15 |
| 28 | 10/07/2025 | 02:45:45 | -74.40, -53.34 | 99.95 | 10/07/2025 | 02:45:28 | -74.41, -53.30 | 99.93 | 2.13 | 17 |
| 29 | 10/07/2025 | 03:36:31 | 74.39, 114.00 | 80.06 | 10/07/2025 | 03:36:08 | 74.37, 113.92 | 80.05 | 3.29 | 23 |
| 30 | 10/07/2025 | 04:27:15 | -74.41, -78.73 | 99.91 | 10/07/2025 | 04:26:50 | -74.40, -78.68 | 99.92 | 1.92 | 25 |
| 31 | 10/07/2025 | 05:18:01 | 74.40, 88.60 | 80.10 | 10/07/2025 | 05:17:29 | 74.40, 88.67 | 80.10 | 1.93 | 32 |
| 32 | 10/07/2025 | 06:08:44 | -74.37,-104.00 | 99.93 | 10/07/2025 | 06:08:12 | -74.38,-104.06 | 99.91 | 2.36 | 32 |
| 33 | 10/07/2025 | 06:59:31 | 74.40, 63.21 | 80.13 | 10/07/2025 | 06:58:51 | 74.38, 63.28 | 80.11 | 3.33 | 40 |
| 34 | 10/07/2025 | 07:50:14 | -74.38,-129.40 | 99.89 | 10/07/2025 | 07:49:34 | -74.37,-129.44 | 99.89 | 1.59 | 40 |
| 35 | 10/07/2025 | 08:41:00 | 74.36, 37.93 | 80.12 | 10/07/2025 | 08:40:13 | 74.37, 37.90 | 80.13 | 1.02 | 47 |
| 36 | 10/07/2025 | 09:31:44 | -74.38,-154.80 | 99.86 | 10/07/2025 | 09:30:55 | -74.40,-154.70 | 99.84 | 3.45 | 49 |
| 37 | 10/07/2025 | 10:22:30 | 74.37, 12.54 | 80.15 | 10/07/2025 | 10:21:35 | 74.35, 12.52 | 80.14 | 2.51 | 55 |
| 38 | 10/07/2025 | 11:13:14 | -74.39, 179.81 | 99.82 | 10/07/2025 | 11:12:17 | -74.38, 179.92 | 99.82 | 3.71 | 57 |
| 39 | 10/07/2025 | 12:04:00 | 74.38, -12.86 | 80.19 | 10/07/2025 | 12:02:56 | 74.38, -12.73 | 80.20 | 3.76 | 64 |
| 40 | 10/07/2025 | 12:54:43 | -74.35, 154.53 | 99.84 | 10/07/2025 | 12:53:39 | -74.37, 154.54 | 99.81 | 1.53 | 64 |
| 41 | 10/07/2025 | 13:45:29 | 74.34, -38.13 | 80.17 | 10/07/2025 | 13:44:18 | 74.37, -38.12 | 80.21 | 2.91 | 71 |
| 42 | 10/07/2025 | 14:36:13 | -74.36, 129.14 | 99.80 | 10/07/2025 | 14:35:01 | -74.35, 129.16 | 99.80 | 1.42 | 72 |
| 43 | 10/07/2025 | 15:26:56 | 74.21, -63.15 | 80.05 | 10/07/2025 | 15:25:43 | 74.21, -63.87 | 80.09 | 21.80 | 73 |
| 44 | 10/07/2025 | 16:17:39 | -74.18, 104.24 | 99.98 | 10/07/2025 | 16:16:26 | -74.19, 103.41 | 99.92 | 25.25 | 73 |
| 45 | 10/07/2025 | 17:08:19 | 73.87, -87.70 | 79.71 | 10/07/2025 | 17:07:11 | 73.89, -89.98 | 79.84 | 70.58 | 68 |
| 46 | 10/07/2025 | 17:59:02 | -73.84, 79.69 | 100.31 | 10/07/2025 | 17:57:54 | -73.88, 77.30 | 100.16 | 73.86 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/26/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 09/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B