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: 5/18/2025
| 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 | 21:28:13 | 73.32,-151.42 | 51.69 | 05/29/2025 | 21:29:21 | 73.26,-149.17 | 51.52 | 72.33 | 68 |
| 2 | 05/29/2025 | 22:18:55 | -73.23, 16.08 | 128.41 | 05/29/2025 | 22:20:04 | -73.19, 18.01 | 128.55 | 62.00 | 69 |
| 3 | 05/29/2025 | 23:09:37 | 73.02,-176.14 | 51.35 | 05/29/2025 | 23:10:48 | 72.99,-175.10 | 51.27 | 33.99 | 71 |
| 4 | 05/30/2025 | 00:00:19 | -72.93, -8.64 | 128.75 | 05/30/2025 | 00:01:32 | -72.87, -8.02 | 128.85 | 21.38 | 73 |
| 5 | 05/30/2025 | 00:51:02 | 72.77, 159.02 | 51.07 | 05/30/2025 | 00:52:14 | 72.77, 159.09 | 51.05 | 2.59 | 72 |
| 6 | 05/30/2025 | 01:41:45 | -72.73, -33.60 | 128.98 | 05/30/2025 | 01:42:56 | -72.75, -33.61 | 128.97 | 2.32 | 71 |
| 7 | 05/30/2025 | 02:32:32 | 72.77, 133.64 | 51.06 | 05/30/2025 | 02:33:36 | 72.75, 133.71 | 51.03 | 3.36 | 64 |
| 8 | 05/30/2025 | 03:23:15 | -72.74, -58.98 | 128.98 | 05/30/2025 | 03:24:18 | -72.73, -58.99 | 129.00 | 0.45 | 63 |
| 9 | 05/30/2025 | 04:14:01 | 72.72, 108.36 | 51.00 | 05/30/2025 | 04:14:58 | 72.73, 108.33 | 51.00 | 1.43 | 57 |
| 10 | 05/30/2025 | 05:04:45 | -72.74, -84.36 | 128.99 | 05/30/2025 | 05:05:40 | -72.72, -84.37 | 129.02 | 2.51 | 55 |
| 11 | 05/30/2025 | 05:55:31 | 72.72, 82.98 | 50.99 | 05/30/2025 | 05:56:20 | 72.71, 82.95 | 50.97 | 1.62 | 49 |
| 12 | 05/30/2025 | 06:46:15 | -72.74,-109.74 | 129.00 | 05/30/2025 | 06:47:01 | -72.75,-109.64 | 129.01 | 3.10 | 46 |
| 13 | 05/30/2025 | 07:37:01 | 72.72, 57.60 | 50.98 | 05/30/2025 | 07:37:41 | 72.74, 57.68 | 50.99 | 3.17 | 40 |
| 14 | 05/30/2025 | 08:27:45 | -72.74,-135.11 | 129.01 | 05/30/2025 | 08:28:23 | -72.73,-135.02 | 129.03 | 3.38 | 38 |
| 15 | 05/30/2025 | 09:18:31 | 72.73, 32.22 | 50.98 | 05/30/2025 | 09:19:03 | 72.72, 32.30 | 50.96 | 2.52 | 32 |
| 16 | 05/30/2025 | 10:09:14 | -72.69,-160.39 | 129.07 | 05/30/2025 | 10:09:45 | -72.71,-160.40 | 129.06 | 1.73 | 31 |
| 17 | 05/30/2025 | 11:00:00 | 72.68, 6.95 | 50.91 | 05/30/2025 | 11:00:25 | 72.70, 6.92 | 50.93 | 2.98 | 25 |
| 18 | 05/30/2025 | 11:50:44 | -72.70, 174.23 | 129.08 | 05/30/2025 | 11:51:07 | -72.69, 174.22 | 129.09 | 0.86 | 23 |
| 19 | 05/30/2025 | 12:41:30 | 72.68, -18.43 | 50.91 | 05/30/2025 | 12:41:47 | 72.68, -18.46 | 50.91 | 1.10 | 17 |
| 20 | 05/30/2025 | 13:32:14 | -72.70, 148.85 | 129.09 | 05/30/2025 | 13:32:29 | -72.67, 148.84 | 129.11 | 3.13 | 15 |
| 21 | 05/30/2025 | 14:23:00 | 72.68, -43.81 | 50.90 | 05/30/2025 | 14:23:09 | 72.66, -43.84 | 50.88 | 2.23 | 9 |
| 22 | 05/30/2025 | 15:13:44 | -72.70, 123.47 | 129.09 | 05/30/2025 | 15:13:50 | -72.70, 123.56 | 129.10 | 2.96 | 6 |
| 23 | 05/30/2025 | 16:04:30 | 72.68, -69.19 | 50.89 | 05/30/2025 | 16:04:30 | 72.70, -69.11 | 50.90 | 2.74 | 0 |
| 24 | 05/30/2025 | 16:55:13 | -72.65, 98.20 | 129.16 | 05/30/2025 | 16:55:12 | -72.68, 98.18 | 129.12 | 3.44 | 1 |
| 25 | 05/30/2025 | 17:46:00 | 72.69, -94.57 | 50.88 | 05/30/2025 | 17:45:52 | 72.68, -94.49 | 50.87 | 2.66 | 8 |
| 26 | 05/30/2025 | 18:36:43 | -72.65, 72.82 | 129.16 | 05/30/2025 | 18:36:34 | -72.66, 72.80 | 129.15 | 1.13 | 9 |
| 27 | 05/30/2025 | 19:27:29 | 72.64,-119.84 | 50.82 | 05/30/2025 | 19:27:14 | 72.66,-119.87 | 50.84 | 2.37 | 15 |
| 28 | 05/30/2025 | 20:18:13 | -72.66, 47.44 | 129.17 | 05/30/2025 | 20:17:56 | -72.64, 47.42 | 129.18 | 1.46 | 17 |
| 29 | 05/30/2025 | 21:08:59 | 72.64,-145.22 | 50.81 | 05/30/2025 | 21:08:36 | 72.64,-145.25 | 50.82 | 1.10 | 23 |
| 30 | 05/30/2025 | 21:59:43 | -72.66, 22.06 | 129.18 | 05/30/2025 | 21:59:17 | -72.68, 22.15 | 129.16 | 3.49 | 26 |
| 31 | 05/30/2025 | 22:50:29 | 72.64,-170.60 | 50.80 | 05/30/2025 | 22:49:58 | 72.62,-170.63 | 50.79 | 2.89 | 31 |
| 32 | 05/30/2025 | 23:41:13 | -72.66, -3.32 | 129.19 | 05/30/2025 | 23:40:39 | -72.66, -3.23 | 129.19 | 2.98 | 34 |
| 33 | 05/31/2025 | 00:31:59 | 72.64, 164.02 | 50.80 | 05/31/2025 | 00:31:19 | 72.65, 164.09 | 50.81 | 2.44 | 40 |
| 34 | 05/31/2025 | 01:22:42 | -72.61, -28.59 | 129.25 | 05/31/2025 | 01:22:01 | -72.64, -28.61 | 129.21 | 2.78 | 41 |
| 35 | 05/31/2025 | 02:13:29 | 72.65, 138.64 | 50.79 | 05/31/2025 | 02:12:41 | 72.63, 138.71 | 50.78 | 2.99 | 48 |
| 36 | 05/31/2025 | 03:04:12 | -72.61, -53.97 | 129.26 | 05/31/2025 | 03:03:23 | -72.62, -53.99 | 129.24 | 0.61 | 49 |
| 37 | 05/31/2025 | 03:54:58 | 72.60, 113.37 | 50.73 | 05/31/2025 | 03:54:03 | 72.61, 113.33 | 50.75 | 1.78 | 55 |
| 38 | 05/31/2025 | 04:45:42 | -72.62, -79.35 | 129.26 | 05/31/2025 | 04:44:45 | -72.60, -79.37 | 129.27 | 2.11 | 57 |
| 39 | 05/31/2025 | 05:36:28 | 72.60, 87.99 | 50.72 | 05/31/2025 | 05:35:25 | 72.59, 87.95 | 50.72 | 1.49 | 63 |
| 40 | 05/31/2025 | 06:27:12 | -72.62,-104.73 | 129.27 | 05/31/2025 | 06:26:06 | -72.63,-104.64 | 129.25 | 3.17 | 66 |
| 41 | 05/31/2025 | 07:17:58 | 72.60, 62.61 | 50.71 | 05/31/2025 | 07:16:46 | 72.62, 62.68 | 50.74 | 3.25 | 72 |
| 42 | 05/31/2025 | 08:08:42 | -72.62,-130.11 | 129.28 | 05/31/2025 | 08:07:28 | -72.61,-130.02 | 129.28 | 3.18 | 74 |
| 43 | 05/31/2025 | 08:59:24 | 72.40, 37.64 | 50.48 | 05/31/2025 | 08:58:12 | 72.40, 36.89 | 50.53 | 25.23 | 72 |
| 44 | 05/31/2025 | 09:50:07 | -72.37,-154.98 | 129.56 | 05/31/2025 | 09:48:54 | -72.39,-155.81 | 129.49 | 28.02 | 73 |
| 45 | 05/31/2025 | 10:40:48 | 72.10, 12.86 | 50.15 | 05/31/2025 | 10:39:39 | 72.12, 11.01 | 50.28 | 63.23 | 69 |
| 46 | 05/31/2025 | 11:31:31 | -72.07,-179.76 | 129.89 | 05/31/2025 | 11:30:22 | -72.06, 178.22 | 129.79 | 69.15 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/18/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C