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: 5/17/2025
| 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 | 72.82 | 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 | 62.48 | 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 | 34.48 | 71 |
| 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 | 21.59 | 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 | 3.35 | 72 |
| 6 | 05/30/2025 | 01:41:46 | -72.73, -33.60 | 128.98 | 05/30/2025 | 01:42:57 | -72.76, -33.59 | 128.96 | 3.44 | 71 |
| 7 | 05/30/2025 | 02:32:33 | 72.77, 133.63 | 51.06 | 05/30/2025 | 02:33:37 | 72.76, 133.73 | 51.03 | 3.35 | 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 | 1.12 | 63 |
| 9 | 05/30/2025 | 04:14:01 | 72.72, 108.36 | 51.00 | 05/30/2025 | 04:14:58 | 72.74, 108.35 | 51.01 | 2.15 | 57 |
| 10 | 05/30/2025 | 05:04:45 | -72.74, -84.36 | 128.99 | 05/30/2025 | 05:05:40 | -72.73, -84.35 | 129.01 | 1.21 | 55 |
| 11 | 05/30/2025 | 05:55:31 | 72.72, 82.98 | 50.99 | 05/30/2025 | 05:56:20 | 72.72, 82.97 | 50.98 | 0.43 | 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 | 3.54 | 47 |
| 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 | 2.60 | 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 | 3.35 | 40 |
| 15 | 05/30/2025 | 09:18:31 | 72.73, 32.22 | 50.97 | 05/30/2025 | 09:19:03 | 72.73, 32.32 | 50.97 | 3.17 | 32 |
| 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 | 3.06 | 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 | 3.46 | 24 |
| 18 | 05/30/2025 | 11:50:44 | -72.69, 174.23 | 129.08 | 05/30/2025 | 11:51:07 | -72.70, 174.24 | 129.08 | 0.74 | 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 | 1.74 | 17 |
| 20 | 05/30/2025 | 13:32:14 | -72.70, 148.86 | 129.09 | 05/30/2025 | 13:32:29 | -72.68, 148.86 | 129.10 | 1.60 | 15 |
| 21 | 05/30/2025 | 14:23:00 | 72.68, -43.81 | 50.90 | 05/30/2025 | 14:23:09 | 72.68, -43.82 | 50.89 | 0.77 | 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 | 3.75 | 8 |
| 23 | 05/30/2025 | 16:04:30 | 72.68, -69.19 | 50.89 | 05/30/2025 | 16:04:31 | 72.66, -69.20 | 50.86 | 3.03 | 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 | 3.40 | 0 |
| 25 | 05/30/2025 | 17:46:00 | 72.69, -94.57 | 50.88 | 05/30/2025 | 17:45:52 | 72.69, -94.47 | 50.88 | 3.05 | 8 |
| 26 | 05/30/2025 | 18:36:43 | -72.65, 72.82 | 129.17 | 05/30/2025 | 18:36:34 | -72.67, 72.83 | 129.14 | 2.66 | 9 |
| 27 | 05/30/2025 | 19:27:29 | 72.64,-119.84 | 50.82 | 05/30/2025 | 19:27:14 | 72.67,-119.85 | 50.85 | 3.63 | 15 |
| 28 | 05/30/2025 | 20:18:13 | -72.65, 47.44 | 129.17 | 05/30/2025 | 20:17:56 | -72.66, 47.45 | 129.17 | 0.34 | 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 | 1.32 | 23 |
| 30 | 05/30/2025 | 21:59:43 | -72.66, 22.06 | 129.18 | 05/30/2025 | 21:59:18 | -72.64, 22.07 | 129.19 | 2.02 | 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 | 1.19 | 31 |
| 32 | 05/30/2025 | 23:41:12 | -72.61, -3.21 | 129.24 | 05/30/2025 | 23:40:40 | -72.62, -3.31 | 129.22 | 3.55 | 32 |
| 33 | 05/31/2025 | 00:31:59 | 72.64, 164.02 | 50.79 | 05/31/2025 | 00:31:20 | 72.61, 164.01 | 50.77 | 3.49 | 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 | 3.48 | 40 |
| 35 | 05/31/2025 | 02:13:29 | 72.64, 138.64 | 50.79 | 05/31/2025 | 02:12:41 | 72.64, 138.74 | 50.79 | 3.02 | 48 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/17/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C