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: 5/20/2025
| 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 | 73.35,-151.50 | 51.73 | 05/29/2025 | 21:29:21 | 73.29,-149.11 | 51.55 | 76.66 | 67 |
| 2 | 05/29/2025 | 22:18:56 | -73.27, 16.00 | 128.37 | 05/29/2025 | 22:20:05 | -73.17, 17.95 | 128.57 | 63.56 | 69 |
| 3 | 05/29/2025 | 23:09:38 | 73.05,-176.22 | 51.39 | 05/29/2025 | 23:10:49 | 72.97,-175.15 | 51.24 | 35.97 | 71 |
| 4 | 05/30/2025 | 00:00:20 | -72.97, -8.72 | 128.71 | 05/30/2025 | 00:01:32 | -72.90, -7.97 | 128.83 | 25.77 | 72 |
| 5 | 05/30/2025 | 00:51:02 | 72.75, 159.04 | 51.05 | 05/30/2025 | 00:52:15 | 72.74, 159.04 | 51.03 | 0.78 | 73 |
| 6 | 05/30/2025 | 01:41:45 | -72.72, -33.57 | 128.99 | 05/30/2025 | 01:42:57 | -72.73, -33.67 | 128.99 | 3.30 | 72 |
| 7 | 05/30/2025 | 02:32:32 | 72.75, 133.67 | 51.05 | 05/30/2025 | 02:33:37 | 72.73, 133.66 | 51.01 | 3.12 | 65 |
| 8 | 05/30/2025 | 03:23:15 | -72.72, -58.95 | 129.00 | 05/30/2025 | 03:24:19 | -72.71, -59.04 | 129.02 | 3.42 | 64 |
| 9 | 05/30/2025 | 04:14:02 | 72.76, 108.29 | 51.04 | 05/30/2025 | 04:14:58 | 72.76, 108.39 | 51.02 | 3.35 | 56 |
| 10 | 05/30/2025 | 05:04:45 | -72.72, -84.33 | 129.01 | 05/30/2025 | 05:05:40 | -72.74, -84.32 | 129.00 | 1.98 | 55 |
| 11 | 05/30/2025 | 05:55:31 | 72.71, 83.01 | 50.97 | 05/30/2025 | 05:56:20 | 72.74, 83.01 | 51.00 | 3.49 | 49 |
| 12 | 05/30/2025 | 06:46:15 | -72.73,-109.71 | 129.01 | 05/30/2025 | 06:47:02 | -72.72,-109.70 | 129.03 | 0.48 | 47 |
| 13 | 05/30/2025 | 07:37:01 | 72.71, 57.63 | 50.97 | 05/30/2025 | 07:37:42 | 72.72, 57.63 | 50.97 | 1.15 | 41 |
| 14 | 05/30/2025 | 08:27:45 | -72.73,-135.09 | 129.02 | 05/30/2025 | 08:28:24 | -72.70,-135.08 | 129.05 | 2.72 | 39 |
| 15 | 05/30/2025 | 09:18:31 | 72.71, 32.26 | 50.96 | 05/30/2025 | 09:19:04 | 72.70, 32.25 | 50.94 | 1.22 | 33 |
| 16 | 05/30/2025 | 10:09:14 | -72.68,-160.36 | 129.09 | 05/30/2025 | 10:09:46 | -72.68,-160.46 | 129.08 | 3.20 | 32 |
| 17 | 05/30/2025 | 11:00:01 | 72.71, 6.88 | 50.95 | 05/30/2025 | 11:00:26 | 72.68, 6.87 | 50.91 | 3.56 | 25 |
| 18 | 05/30/2025 | 11:50:44 | -72.68, 174.26 | 129.09 | 05/30/2025 | 11:51:08 | -72.67, 174.17 | 129.11 | 3.59 | 24 |
| 19 | 05/30/2025 | 12:41:31 | 72.72, -18.50 | 50.94 | 05/30/2025 | 12:41:47 | 72.71, -18.40 | 50.93 | 3.32 | 16 |
| 20 | 05/30/2025 | 13:32:14 | -72.68, 148.88 | 129.10 | 05/30/2025 | 13:32:29 | -72.70, 148.89 | 129.09 | 1.58 | 15 |
| 21 | 05/30/2025 | 14:23:00 | 72.67, -43.78 | 50.88 | 05/30/2025 | 14:23:09 | 72.69, -43.78 | 50.91 | 3.04 | 9 |
| 22 | 05/30/2025 | 15:13:44 | -72.69, 123.50 | 129.11 | 05/30/2025 | 15:13:51 | -72.68, 123.51 | 129.12 | 0.85 | 7 |
| 23 | 05/30/2025 | 16:04:30 | 72.67, -69.16 | 50.87 | 05/30/2025 | 16:04:31 | 72.67, -69.16 | 50.88 | 0.70 | 1 |
| 24 | 05/30/2025 | 16:55:14 | -72.69, 98.12 | 129.12 | 05/30/2025 | 16:55:13 | -72.66, 98.13 | 129.14 | 3.14 | 1 |
| 25 | 05/30/2025 | 17:46:00 | 72.67, -94.54 | 50.86 | 05/30/2025 | 17:45:53 | 72.66, -94.54 | 50.85 | 1.68 | 7 |
| 26 | 05/30/2025 | 18:36:43 | -72.64, 72.85 | 129.18 | 05/30/2025 | 18:36:35 | -72.64, 72.75 | 129.17 | 3.12 | 8 |
| 27 | 05/30/2025 | 19:27:30 | 72.67,-119.91 | 50.86 | 05/30/2025 | 19:27:14 | 72.69,-119.81 | 50.87 | 3.67 | 16 |
| 28 | 05/30/2025 | 20:18:13 | -72.64, 47.47 | 129.19 | 05/30/2025 | 20:17:56 | -72.67, 47.48 | 129.15 | 3.48 | 17 |
| 29 | 05/30/2025 | 21:09:00 | 72.67,-145.29 | 50.85 | 05/30/2025 | 21:08:36 | 72.67,-145.19 | 50.84 | 3.37 | 24 |
| 30 | 05/30/2025 | 21:59:43 | -72.64, 22.09 | 129.19 | 05/30/2025 | 21:59:18 | -72.65, 22.10 | 129.18 | 1.17 | 25 |
| 31 | 05/30/2025 | 22:50:29 | 72.63,-170.57 | 50.79 | 05/30/2025 | 22:49:58 | 72.65,-170.57 | 50.82 | 2.57 | 31 |
| 32 | 05/30/2025 | 23:41:13 | -72.64, -3.29 | 129.20 | 05/30/2025 | 23:40:40 | -72.63, -3.28 | 129.21 | 1.28 | 33 |
| 33 | 05/31/2025 | 00:31:59 | 72.63, 164.05 | 50.78 | 05/31/2025 | 00:31:20 | 72.63, 164.05 | 50.79 | 0.26 | 39 |
| 34 | 05/31/2025 | 01:22:43 | -72.65, -28.67 | 129.21 | 05/31/2025 | 01:22:02 | -72.61, -28.66 | 129.23 | 3.59 | 41 |
| 35 | 05/31/2025 | 02:13:29 | 72.63, 138.67 | 50.77 | 05/31/2025 | 02:12:42 | 72.61, 138.67 | 50.76 | 2.17 | 47 |
| 36 | 05/31/2025 | 03:04:12 | -72.60, -53.94 | 129.27 | 05/31/2025 | 03:03:24 | -72.60, -54.03 | 129.26 | 3.07 | 48 |
| 37 | 05/31/2025 | 03:54:59 | 72.63, 113.30 | 50.76 | 05/31/2025 | 03:54:03 | 72.64, 113.39 | 50.78 | 3.48 | 56 |
| 38 | 05/31/2025 | 04:45:42 | -72.60, -79.32 | 129.28 | 05/31/2025 | 04:44:45 | -72.63, -79.31 | 129.24 | 3.03 | 57 |
| 39 | 05/31/2025 | 05:36:29 | 72.63, 87.92 | 50.76 | 05/31/2025 | 05:35:25 | 72.62, 88.02 | 50.75 | 3.52 | 64 |
| 40 | 05/31/2025 | 06:27:12 | -72.60,-104.70 | 129.29 | 05/31/2025 | 06:26:07 | -72.61,-104.69 | 129.27 | 0.77 | 65 |
| 41 | 05/31/2025 | 07:17:58 | 72.59, 62.64 | 50.69 | 05/31/2025 | 07:16:47 | 72.60, 62.64 | 50.73 | 2.06 | 71 |
| 42 | 05/31/2025 | 08:08:42 | -72.60,-130.08 | 129.29 | 05/31/2025 | 08:07:29 | -72.59,-130.07 | 129.30 | 1.74 | 73 |
| 43 | 05/31/2025 | 08:59:25 | 72.44, 37.57 | 50.52 | 05/31/2025 | 08:58:12 | 72.43, 36.95 | 50.56 | 20.82 | 73 |
| 44 | 05/31/2025 | 09:50:07 | -72.35,-154.95 | 129.58 | 05/31/2025 | 09:48:55 | -72.37,-155.85 | 129.51 | 30.50 | 72 |
| 45 | 05/31/2025 | 10:40:49 | 72.13, 12.79 | 50.18 | 05/31/2025 | 10:39:39 | 72.16, 11.07 | 50.31 | 58.80 | 70 |
| 46 | 05/31/2025 | 11:31:30 | -72.05,-179.73 | 129.91 | 05/31/2025 | 11:30:21 | -72.09, 178.27 | 129.76 | 68.39 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/20/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C