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: 5/22/2025
| 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 | 73.34,-151.48 | 51.72 | 05/29/2025 | 21:29:21 | 73.30,-149.09 | 51.56 | 76.45 | 67 |
| 2 | 05/29/2025 | 22:18:56 | -73.26, 16.02 | 128.38 | 05/29/2025 | 22:20:05 | -73.18, 17.97 | 128.56 | 63.31 | 69 |
| 3 | 05/29/2025 | 23:09:38 | 73.04,-176.19 | 51.38 | 05/29/2025 | 23:10:49 | 72.98,-175.13 | 51.26 | 35.33 | 71 |
| 4 | 05/30/2025 | 00:00:20 | -72.96, -8.70 | 128.72 | 05/30/2025 | 00:01:32 | -72.91, -7.95 | 128.82 | 25.28 | 72 |
| 5 | 05/30/2025 | 00:51:02 | 72.74, 159.07 | 51.04 | 05/30/2025 | 00:52:15 | 72.76, 159.07 | 51.04 | 1.95 | 73 |
| 6 | 05/30/2025 | 01:41:46 | -72.76, -33.66 | 128.95 | 05/30/2025 | 01:42:57 | -72.74, -33.64 | 128.98 | 2.53 | 71 |
| 7 | 05/30/2025 | 02:32:32 | 72.74, 133.69 | 51.03 | 05/30/2025 | 02:33:37 | 72.74, 133.69 | 51.02 | 0.40 | 65 |
| 8 | 05/30/2025 | 03:23:15 | -72.71, -58.93 | 129.01 | 05/30/2025 | 03:24:19 | -72.72, -59.02 | 129.01 | 3.18 | 64 |
| 9 | 05/30/2025 | 04:14:02 | 72.74, 108.31 | 51.02 | 05/30/2025 | 04:14:59 | 72.72, 108.31 | 50.99 | 2.71 | 57 |
| 10 | 05/30/2025 | 05:04:45 | -72.71, -84.31 | 129.02 | 05/30/2025 | 05:05:41 | -72.70, -84.40 | 129.04 | 3.42 | 56 |
| 11 | 05/30/2025 | 05:55:32 | 72.75, 82.93 | 51.02 | 05/30/2025 | 05:56:20 | 72.75, 83.03 | 51.01 | 3.39 | 48 |
| 12 | 05/30/2025 | 06:46:15 | -72.72,-109.69 | 129.02 | 05/30/2025 | 06:47:02 | -72.73,-109.68 | 129.02 | 1.86 | 47 |
| 13 | 05/30/2025 | 07:37:02 | 72.75, 57.55 | 51.01 | 05/30/2025 | 07:37:42 | 72.73, 57.66 | 50.98 | 3.73 | 40 |
| 14 | 05/30/2025 | 08:27:45 | -72.72,-135.07 | 129.03 | 05/30/2025 | 08:28:24 | -72.71,-135.06 | 129.05 | 0.62 | 39 |
| 15 | 05/30/2025 | 09:18:31 | 72.70, 32.28 | 50.95 | 05/30/2025 | 09:19:04 | 72.71, 32.28 | 50.95 | 1.62 | 33 |
| 16 | 05/30/2025 | 10:09:15 | -72.72,-160.45 | 129.04 | 05/30/2025 | 10:09:46 | -72.69,-160.43 | 129.07 | 2.82 | 31 |
| 17 | 05/30/2025 | 11:00:01 | 72.70, 6.90 | 50.94 | 05/30/2025 | 11:00:26 | 72.69, 6.90 | 50.93 | 0.74 | 25 |
| 18 | 05/30/2025 | 11:50:44 | -72.67, 174.28 | 129.10 | 05/30/2025 | 11:51:08 | -72.68, 174.19 | 129.10 | 3.11 | 24 |
| 19 | 05/30/2025 | 12:41:31 | 72.70, -18.48 | 50.93 | 05/30/2025 | 12:41:48 | 72.67, -18.48 | 50.90 | 3.06 | 17 |
| 20 | 05/30/2025 | 13:32:14 | -72.67, 148.90 | 129.11 | 05/30/2025 | 13:32:30 | -72.66, 148.81 | 129.13 | 3.55 | 16 |
| 21 | 05/30/2025 | 14:23:01 | 72.70, -43.86 | 50.92 | 05/30/2025 | 14:23:09 | 72.71, -43.76 | 50.92 | 3.30 | 8 |
| 22 | 05/30/2025 | 15:13:44 | -72.68, 123.52 | 129.12 | 05/30/2025 | 15:13:51 | -72.69, 123.53 | 129.11 | 1.57 | 7 |
| 23 | 05/30/2025 | 16:04:30 | 72.66, -69.13 | 50.86 | 05/30/2025 | 16:04:31 | 72.69, -69.14 | 50.89 | 3.59 | 1 |
| 24 | 05/30/2025 | 16:55:14 | -72.68, 98.14 | 129.13 | 05/30/2025 | 16:55:13 | -72.67, 98.16 | 129.13 | 0.89 | 1 |
| 25 | 05/30/2025 | 17:46:00 | 72.66, -94.51 | 50.85 | 05/30/2025 | 17:45:53 | 72.67, -94.51 | 50.86 | 1.27 | 7 |
| 26 | 05/30/2025 | 18:36:44 | -72.68, 72.76 | 129.14 | 05/30/2025 | 18:36:35 | -72.65, 72.78 | 129.16 | 3.14 | 9 |
| 27 | 05/30/2025 | 19:27:30 | 72.66,-119.89 | 50.84 | 05/30/2025 | 19:27:15 | 72.65,-119.89 | 50.84 | 1.10 | 15 |
| 28 | 05/30/2025 | 20:18:13 | -72.63, 47.49 | 129.20 | 05/30/2025 | 20:17:57 | -72.63, 47.40 | 129.19 | 3.04 | 16 |
| 29 | 05/30/2025 | 21:09:00 | 72.66,-145.27 | 50.83 | 05/30/2025 | 21:08:37 | 72.63,-145.27 | 50.81 | 3.43 | 23 |
| 30 | 05/30/2025 | 21:59:43 | -72.63, 22.11 | 129.21 | 05/30/2025 | 21:59:18 | -72.66, 22.12 | 129.17 | 3.54 | 25 |
| 31 | 05/30/2025 | 22:50:30 | 72.66,-170.65 | 50.83 | 05/30/2025 | 22:49:58 | 72.66,-170.55 | 50.83 | 3.27 | 32 |
| 32 | 05/30/2025 | 23:41:13 | -72.63, -3.27 | 129.21 | 05/30/2025 | 23:40:40 | -72.65, -3.25 | 129.20 | 1.27 | 33 |
| 33 | 05/31/2025 | 00:31:59 | 72.61, 164.08 | 50.76 | 05/31/2025 | 00:31:20 | 72.64, 164.07 | 50.80 | 3.22 | 39 |
| 34 | 05/31/2025 | 01:22:43 | -72.64, -28.65 | 129.22 | 05/31/2025 | 01:22:02 | -72.63, -28.63 | 129.22 | 1.21 | 41 |
| 35 | 05/31/2025 | 02:13:29 | 72.62, 138.70 | 50.76 | 05/31/2025 | 02:12:42 | 72.62, 138.70 | 50.77 | 0.89 | 47 |
| 36 | 05/31/2025 | 03:04:13 | -72.64, -54.03 | 129.23 | 05/31/2025 | 03:03:24 | -72.61, -54.01 | 129.25 | 3.48 | 49 |
| 37 | 05/31/2025 | 03:54:59 | 72.62, 113.32 | 50.75 | 05/31/2025 | 03:54:04 | 72.61, 113.32 | 50.75 | 1.48 | 55 |
| 38 | 05/31/2025 | 04:45:42 | -72.59, -79.30 | 129.29 | 05/31/2025 | 04:44:46 | -72.59, -79.39 | 129.28 | 2.99 | 56 |
| 39 | 05/31/2025 | 05:36:28 | 72.62, 87.94 | 50.74 | 05/31/2025 | 05:35:24 | 72.64, 88.04 | 50.77 | 3.76 | 64 |
| 40 | 05/31/2025 | 06:27:11 | -72.59,-104.68 | 129.30 | 05/31/2025 | 06:26:06 | -72.62,-104.67 | 129.26 | 3.21 | 65 |
| 41 | 05/31/2025 | 07:17:58 | 72.62, 62.56 | 50.73 | 05/31/2025 | 07:16:46 | 72.62, 62.66 | 50.74 | 3.32 | 72 |
| 42 | 05/31/2025 | 08:08:41 | -72.59,-130.06 | 129.31 | 05/31/2025 | 08:07:28 | -72.60,-130.04 | 129.29 | 0.97 | 73 |
| 43 | 05/31/2025 | 08:59:24 | 72.42, 37.60 | 50.51 | 05/31/2025 | 08:58:11 | 72.45, 36.98 | 50.57 | 21.02 | 73 |
| 44 | 05/31/2025 | 09:50:07 | -72.39,-155.03 | 129.53 | 05/31/2025 | 09:48:54 | -72.38,-155.83 | 129.49 | 27.01 | 73 |
| 45 | 05/31/2025 | 10:40:48 | 72.12, 12.82 | 50.17 | 05/31/2025 | 10:39:39 | 72.12, 11.00 | 50.27 | 62.20 | 69 |
| 46 | 05/31/2025 | 11:31:31 | -72.09,-179.81 | 129.87 | 05/31/2025 | 11:30:22 | -72.05, 178.20 | 129.79 | 68.27 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/22/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C