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: 5/23/2025
| 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 | 05/29/2025 | 21:28:14 | 73.32,-151.42 | 51.69 | 05/29/2025 | 21:29:22 | 73.27,-149.15 | 51.53 | 72.78 | 68 |
| 2 | 05/29/2025 | 22:18:56 | -73.24, 16.07 | 128.41 | 05/29/2025 | 22:20:05 | -73.20, 18.01 | 128.54 | 62.51 | 69 |
| 3 | 05/29/2025 | 23:09:38 | 73.02,-176.14 | 51.35 | 05/29/2025 | 23:10:49 | 73.00,-175.08 | 51.27 | 34.44 | 71 |
| 4 | 05/30/2025 | 00:00:20 | -72.94, -8.65 | 128.74 | 05/30/2025 | 00:01:33 | -72.88, -8.02 | 128.85 | 21.91 | 73 |
| 5 | 05/30/2025 | 00:51:03 | 72.77, 159.01 | 51.07 | 05/30/2025 | 00:52:15 | 72.78, 159.11 | 51.06 | 3.31 | 72 |
| 6 | 05/30/2025 | 01:41:46 | -72.74, -33.61 | 128.97 | 05/30/2025 | 01:42:57 | -72.76, -33.61 | 128.97 | 2.17 | 71 |
| 7 | 05/30/2025 | 02:32:33 | 72.77, 133.64 | 51.06 | 05/30/2025 | 02:33:37 | 72.76, 133.73 | 51.03 | 3.29 | 64 |
| 8 | 05/30/2025 | 03:23:16 | -72.74, -58.99 | 128.98 | 05/30/2025 | 03:24:19 | -72.74, -58.98 | 128.99 | 0.15 | 63 |
| 9 | 05/30/2025 | 04:14:02 | 72.72, 108.36 | 51.00 | 05/30/2025 | 04:14:59 | 72.74, 108.35 | 51.01 | 2.19 | 57 |
| 10 | 05/30/2025 | 05:04:46 | -72.74, -84.37 | 128.99 | 05/30/2025 | 05:05:41 | -72.72, -84.36 | 129.02 | 2.45 | 55 |
| 11 | 05/30/2025 | 05:55:32 | 72.72, 82.98 | 50.99 | 05/30/2025 | 05:56:21 | 72.72, 82.97 | 50.98 | 0.46 | 49 |
| 12 | 05/30/2025 | 06:46:14 | -72.69,-109.64 | 129.05 | 05/30/2025 | 06:47:02 | -72.70,-109.74 | 129.05 | 3.51 | 48 |
| 13 | 05/30/2025 | 07:37:01 | 72.72, 57.60 | 50.98 | 05/30/2025 | 07:37:42 | 72.70, 57.59 | 50.95 | 2.54 | 41 |
| 14 | 05/30/2025 | 08:27:44 | -72.69,-135.02 | 129.06 | 05/30/2025 | 08:28:24 | -72.68,-135.12 | 129.07 | 3.70 | 40 |
| 15 | 05/30/2025 | 09:18:31 | 72.73, 32.23 | 50.97 | 05/30/2025 | 09:19:03 | 72.73, 32.32 | 50.97 | 3.13 | 32 |
| 16 | 05/30/2025 | 10:09:14 | -72.70,-160.40 | 129.07 | 05/30/2025 | 10:09:45 | -72.71,-160.40 | 129.06 | 1.87 | 31 |
| 17 | 05/30/2025 | 11:00:01 | 72.73, 6.85 | 50.97 | 05/30/2025 | 11:00:25 | 72.71, 6.94 | 50.94 | 3.37 | 24 |
| 18 | 05/30/2025 | 11:50:44 | -72.70, 174.22 | 129.07 | 05/30/2025 | 11:51:07 | -72.69, 174.23 | 129.08 | 0.45 | 23 |
| 19 | 05/30/2025 | 12:41:30 | 72.68, -18.43 | 50.90 | 05/30/2025 | 12:41:47 | 72.69, -18.44 | 50.92 | 1.86 | 17 |
| 20 | 05/30/2025 | 13:32:14 | -72.70, 148.85 | 129.08 | 05/30/2025 | 13:32:29 | -72.68, 148.85 | 129.11 | 2.76 | 15 |
| 21 | 05/30/2025 | 14:23:00 | 72.68, -43.81 | 50.89 | 05/30/2025 | 14:23:09 | 72.68, -43.82 | 50.89 | 0.72 | 9 |
| 22 | 05/30/2025 | 15:13:43 | -72.65, 123.57 | 129.15 | 05/30/2025 | 15:13:51 | -72.66, 123.47 | 129.14 | 3.45 | 8 |
| 23 | 05/30/2025 | 16:04:30 | 72.68, -69.18 | 50.89 | 05/30/2025 | 16:04:31 | 72.66, -69.20 | 50.86 | 2.92 | 1 |
| 24 | 05/30/2025 | 16:55:13 | -72.65, 98.19 | 129.15 | 05/30/2025 | 16:55:13 | -72.64, 98.09 | 129.16 | 3.84 | 0 |
| 25 | 05/30/2025 | 17:46:00 | 72.68, -94.56 | 50.88 | 05/30/2025 | 17:45:52 | 72.69, -94.47 | 50.88 | 3.00 | 8 |
| 26 | 05/30/2025 | 18:36:43 | -72.66, 72.81 | 129.16 | 05/30/2025 | 18:36:34 | -72.67, 72.81 | 129.15 | 1.54 | 9 |
| 27 | 05/30/2025 | 19:27:30 | 72.69,-119.94 | 50.87 | 05/30/2025 | 19:27:14 | 72.67,-119.85 | 50.85 | 3.51 | 16 |
| 28 | 05/30/2025 | 20:18:13 | -72.66, 47.43 | 129.17 | 05/30/2025 | 20:17:56 | -72.65, 47.44 | 129.17 | 0.78 | 17 |
| 29 | 05/30/2025 | 21:08:59 | 72.64,-145.22 | 50.81 | 05/30/2025 | 21:08:36 | 72.65,-145.23 | 50.83 | 1.51 | 23 |
| 30 | 05/30/2025 | 21:59:43 | -72.66, 22.06 | 129.18 | 05/30/2025 | 21:59:18 | -72.63, 22.06 | 129.20 | 3.10 | 25 |
| 31 | 05/30/2025 | 22:50:29 | 72.64,-170.60 | 50.80 | 05/30/2025 | 22:49:58 | 72.63,-170.61 | 50.80 | 1.06 | 31 |
| 32 | 05/30/2025 | 23:41:12 | -72.61, -3.22 | 129.24 | 05/30/2025 | 23:40:40 | -72.61, -3.32 | 129.23 | 3.39 | 32 |
| 33 | 05/31/2025 | 00:31:59 | 72.64, 164.03 | 50.79 | 05/31/2025 | 00:31:20 | 72.61, 164.01 | 50.77 | 3.31 | 39 |
| 34 | 05/31/2025 | 01:22:42 | -72.61, -28.60 | 129.25 | 05/31/2025 | 01:22:01 | -72.64, -28.60 | 129.21 | 3.52 | 41 |
| 35 | 05/31/2025 | 02:13:29 | 72.64, 138.65 | 50.79 | 05/31/2025 | 02:12:41 | 72.64, 138.74 | 50.79 | 2.93 | 48 |
| 36 | 05/31/2025 | 03:04:12 | -72.61, -53.98 | 129.25 | 05/31/2025 | 03:03:23 | -72.63, -53.97 | 129.23 | 1.20 | 49 |
| 37 | 05/31/2025 | 03:54:58 | 72.59, 113.37 | 50.72 | 05/31/2025 | 03:54:03 | 72.62, 113.36 | 50.76 | 3.40 | 55 |
| 38 | 05/31/2025 | 04:45:42 | -72.62, -79.36 | 129.26 | 05/31/2025 | 04:44:45 | -72.61, -79.35 | 129.26 | 1.14 | 57 |
| 39 | 05/31/2025 | 05:36:28 | 72.60, 87.99 | 50.71 | 05/31/2025 | 05:35:25 | 72.61, 87.98 | 50.74 | 1.14 | 63 |
| 40 | 05/31/2025 | 06:27:12 | -72.62,-104.73 | 129.27 | 05/31/2025 | 06:26:07 | -72.59,-104.73 | 129.29 | 3.46 | 65 |
| 41 | 05/31/2025 | 07:17:58 | 72.60, 62.61 | 50.71 | 05/31/2025 | 07:16:47 | 72.59, 62.60 | 50.71 | 1.43 | 71 |
| 42 | 05/31/2025 | 08:08:41 | -72.57,-130.01 | 129.33 | 05/31/2025 | 08:07:29 | -72.57,-130.11 | 129.32 | 3.35 | 72 |
| 43 | 05/31/2025 | 08:59:25 | 72.45, 37.54 | 50.53 | 05/31/2025 | 08:58:12 | 72.41, 36.91 | 50.55 | 21.52 | 73 |
| 44 | 05/31/2025 | 09:50:07 | -72.37,-154.98 | 129.56 | 05/31/2025 | 09:48:54 | -72.40,-155.79 | 129.48 | 27.54 | 73 |
| 45 | 05/31/2025 | 10:40:49 | 72.14, 12.77 | 50.20 | 05/31/2025 | 10:39:39 | 72.14, 11.03 | 50.29 | 59.12 | 70 |
| 46 | 05/31/2025 | 11:31:31 | -72.06,-179.76 | 129.90 | 05/31/2025 | 11:30:22 | -72.07, 178.23 | 129.78 | 68.57 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/23/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C