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: 5/24/2025
| 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 | 73.31,-151.41 | 51.69 | 05/29/2025 | 21:29:22 | 73.28,-149.14 | 51.54 | 72.66 | 68 |
| 2 | 05/29/2025 | 22:18:56 | -73.23, 16.08 | 128.41 | 05/29/2025 | 22:20:05 | -73.20, 18.03 | 128.54 | 62.43 | 69 |
| 3 | 05/29/2025 | 23:09:38 | 73.01,-176.13 | 51.35 | 05/29/2025 | 23:10:50 | 72.95,-175.18 | 51.23 | 31.51 | 72 |
| 4 | 05/30/2025 | 00:00:20 | -72.93, -8.64 | 128.75 | 05/30/2025 | 00:01:33 | -72.88, -8.00 | 128.84 | 21.56 | 73 |
| 5 | 05/30/2025 | 00:51:03 | 72.76, 159.03 | 51.06 | 05/30/2025 | 00:52:16 | 72.73, 159.02 | 51.02 | 3.06 | 73 |
| 6 | 05/30/2025 | 01:41:45 | -72.73, -33.60 | 128.98 | 05/30/2025 | 01:42:56 | -72.76, -33.60 | 128.96 | 3.34 | 71 |
| 7 | 05/30/2025 | 02:32:32 | 72.76, 133.65 | 51.05 | 05/30/2025 | 02:33:36 | 72.76, 133.74 | 51.04 | 3.06 | 64 |
| 8 | 05/30/2025 | 03:23:15 | -72.73, -58.98 | 128.98 | 05/30/2025 | 03:24:18 | -72.74, -58.97 | 128.99 | 1.04 | 63 |
| 9 | 05/30/2025 | 04:14:02 | 72.76, 108.27 | 51.05 | 05/30/2025 | 04:14:58 | 72.75, 108.36 | 51.01 | 3.64 | 56 |
| 10 | 05/30/2025 | 05:04:45 | -72.74, -84.35 | 128.99 | 05/30/2025 | 05:05:40 | -72.72, -84.35 | 129.02 | 1.27 | 55 |
| 11 | 05/30/2025 | 05:55:31 | 72.71, 83.00 | 50.98 | 05/30/2025 | 05:56:20 | 72.73, 82.98 | 50.99 | 1.38 | 49 |
| 12 | 05/30/2025 | 06:46:15 | -72.74,-109.73 | 129.00 | 05/30/2025 | 06:47:02 | -72.71,-109.73 | 129.04 | 3.57 | 47 |
| 13 | 05/30/2025 | 07:37:01 | 72.72, 57.62 | 50.97 | 05/30/2025 | 07:37:42 | 72.71, 57.60 | 50.96 | 1.13 | 41 |
| 14 | 05/30/2025 | 08:27:44 | -72.69,-135.01 | 129.06 | 05/30/2025 | 08:28:24 | -72.69,-135.11 | 129.07 | 3.43 | 40 |
| 15 | 05/30/2025 | 09:18:31 | 72.72, 32.24 | 50.97 | 05/30/2025 | 09:19:04 | 72.69, 32.23 | 50.93 | 3.39 | 33 |
| 16 | 05/30/2025 | 10:09:14 | -72.69,-160.39 | 129.07 | 05/30/2025 | 10:09:45 | -72.72,-160.38 | 129.05 | 3.07 | 31 |
| 17 | 05/30/2025 | 11:00:01 | 72.72, 6.86 | 50.96 | 05/30/2025 | 11:00:25 | 72.72, 6.95 | 50.95 | 2.96 | 24 |
| 18 | 05/30/2025 | 11:50:44 | -72.69, 174.24 | 129.08 | 05/30/2025 | 11:51:07 | -72.70, 174.24 | 129.08 | 0.76 | 23 |
| 19 | 05/30/2025 | 12:41:30 | 72.67, -18.41 | 50.90 | 05/30/2025 | 12:41:47 | 72.70, -18.43 | 50.92 | 3.34 | 17 |
| 20 | 05/30/2025 | 13:32:14 | -72.69, 148.86 | 129.09 | 05/30/2025 | 13:32:29 | -72.68, 148.86 | 129.11 | 1.55 | 15 |
| 21 | 05/30/2025 | 14:23:00 | 72.67, -43.79 | 50.89 | 05/30/2025 | 14:23:09 | 72.68, -43.81 | 50.89 | 1.10 | 9 |
| 22 | 05/30/2025 | 15:13:43 | -72.65, 123.58 | 129.15 | 05/30/2025 | 15:13:51 | -72.66, 123.48 | 129.13 | 3.86 | 8 |
| 23 | 05/30/2025 | 16:04:30 | 72.67, -69.17 | 50.88 | 05/30/2025 | 16:04:31 | 72.66, -69.19 | 50.87 | 1.47 | 1 |
| 24 | 05/30/2025 | 16:55:13 | -72.65, 98.20 | 129.16 | 05/30/2025 | 16:55:13 | -72.64, 98.10 | 129.16 | 3.47 | 0 |
| 25 | 05/30/2025 | 17:46:00 | 72.68, -94.55 | 50.87 | 05/30/2025 | 17:45:52 | 72.69, -94.46 | 50.89 | 3.51 | 8 |
| 26 | 05/30/2025 | 18:36:43 | -72.65, 72.83 | 129.17 | 05/30/2025 | 18:36:34 | -72.67, 72.83 | 129.14 | 2.78 | 9 |
| 27 | 05/30/2025 | 19:27:30 | 72.68,-119.93 | 50.86 | 05/30/2025 | 19:27:14 | 72.68,-119.84 | 50.86 | 2.93 | 16 |
| 28 | 05/30/2025 | 20:18:13 | -72.65, 47.45 | 129.18 | 05/30/2025 | 20:17:56 | -72.66, 47.45 | 129.17 | 0.46 | 17 |
| 29 | 05/30/2025 | 21:08:59 | 72.63,-145.20 | 50.80 | 05/30/2025 | 21:08:36 | 72.66,-145.22 | 50.83 | 3.00 | 23 |
| 30 | 05/30/2025 | 21:59:43 | -72.65, 22.07 | 129.18 | 05/30/2025 | 21:59:18 | -72.64, 22.07 | 129.19 | 1.86 | 25 |
| 31 | 05/30/2025 | 22:50:29 | 72.63,-170.58 | 50.79 | 05/30/2025 | 22:49:58 | 72.64,-170.60 | 50.80 | 0.84 | 31 |
| 32 | 05/30/2025 | 23:41:12 | -72.60, -3.21 | 129.25 | 05/30/2025 | 23:40:40 | -72.62, -3.31 | 129.22 | 3.72 | 32 |
| 33 | 05/31/2025 | 00:31:59 | 72.63, 164.04 | 50.78 | 05/31/2025 | 00:31:20 | 72.62, 164.02 | 50.78 | 1.82 | 39 |
| 34 | 05/31/2025 | 01:22:42 | -72.61, -28.59 | 129.25 | 05/31/2025 | 01:22:02 | -72.60, -28.69 | 129.25 | 3.52 | 40 |
| 35 | 05/31/2025 | 02:13:29 | 72.64, 138.66 | 50.78 | 05/31/2025 | 02:12:41 | 72.65, 138.75 | 50.80 | 3.29 | 48 |
| 36 | 05/31/2025 | 03:04:12 | -72.61, -53.96 | 129.26 | 05/31/2025 | 03:03:23 | -72.63, -53.96 | 129.23 | 2.46 | 49 |
| 37 | 05/31/2025 | 03:54:59 | 72.64, 113.28 | 50.77 | 05/31/2025 | 03:54:03 | 72.63, 113.37 | 50.77 | 2.96 | 56 |
| 38 | 05/31/2025 | 04:45:42 | -72.61, -79.34 | 129.27 | 05/31/2025 | 04:44:45 | -72.61, -79.34 | 129.26 | 0.14 | 57 |
| 39 | 05/31/2025 | 05:36:28 | 72.59, 88.01 | 50.71 | 05/31/2025 | 05:35:25 | 72.61, 87.99 | 50.74 | 2.65 | 63 |
| 40 | 05/31/2025 | 06:27:12 | -72.61,-104.72 | 129.28 | 05/31/2025 | 06:26:07 | -72.59,-104.72 | 129.28 | 2.18 | 65 |
| 41 | 05/31/2025 | 07:17:58 | 72.59, 62.63 | 50.70 | 05/31/2025 | 07:16:47 | 72.59, 62.61 | 50.72 | 0.63 | 71 |
| 42 | 05/31/2025 | 08:08:41 | -72.56,-130.00 | 129.34 | 05/31/2025 | 08:07:29 | -72.57,-130.10 | 129.31 | 3.57 | 72 |
| 43 | 05/31/2025 | 08:59:25 | 72.44, 37.56 | 50.53 | 05/31/2025 | 08:58:12 | 72.42, 36.93 | 50.55 | 21.37 | 73 |
| 44 | 05/31/2025 | 09:50:07 | -72.36,-154.97 | 129.57 | 05/31/2025 | 09:48:55 | -72.35,-155.88 | 129.52 | 30.87 | 72 |
| 45 | 05/31/2025 | 10:40:49 | 72.13, 12.78 | 50.19 | 05/31/2025 | 10:39:39 | 72.14, 11.05 | 50.30 | 59.20 | 70 |
| 46 | 05/31/2025 | 11:31:31 | -72.06,-179.75 | 129.90 | 05/31/2025 | 11:30:22 | -72.08, 178.24 | 129.77 | 68.64 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/24/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C