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: 5/30/2025
| 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 | 05/30/2025 | 04:14:02 | 72.74, 108.31 | 51.03 | 05/30/2025 | 04:14:59 | 72.71, 108.30 | 50.98 | 3.49 | 57 |
| 2 | 05/30/2025 | 05:04:45 | -72.72, -84.33 | 129.01 | 05/30/2025 | 05:05:40 | -72.74, -84.33 | 129.00 | 1.39 | 55 |
| 3 | 05/30/2025 | 05:55:32 | 72.75, 82.93 | 51.02 | 05/30/2025 | 05:56:20 | 72.75, 83.02 | 51.00 | 3.07 | 48 |
| 4 | 05/30/2025 | 06:46:15 | -72.73,-109.71 | 129.01 | 05/30/2025 | 06:47:02 | -72.72,-109.70 | 129.03 | 0.95 | 47 |
| 5 | 05/30/2025 | 07:37:01 | 72.70, 57.66 | 50.95 | 05/30/2025 | 07:37:42 | 72.73, 57.64 | 50.98 | 3.17 | 41 |
| 6 | 05/30/2025 | 08:27:45 | -72.73,-135.09 | 129.02 | 05/30/2025 | 08:28:24 | -72.70,-135.08 | 129.06 | 3.26 | 39 |
| 7 | 05/30/2025 | 09:18:31 | 72.70, 32.28 | 50.95 | 05/30/2025 | 09:19:04 | 72.71, 32.27 | 50.95 | 0.91 | 33 |
| 8 | 05/30/2025 | 10:09:14 | -72.68,-160.36 | 129.08 | 05/30/2025 | 10:09:46 | -72.68,-160.46 | 129.09 | 3.33 | 32 |
| 9 | 05/30/2025 | 11:00:01 | 72.70, 6.90 | 50.94 | 05/30/2025 | 11:00:26 | 72.69, 6.89 | 50.92 | 1.61 | 25 |
| 10 | 05/30/2025 | 11:50:44 | -72.68, 174.26 | 129.09 | 05/30/2025 | 11:51:07 | -72.71, 174.26 | 129.07 | 3.34 | 23 |
| 11 | 05/30/2025 | 12:41:31 | 72.70, -18.48 | 50.93 | 05/30/2025 | 12:41:47 | 72.72, -18.39 | 50.94 | 3.49 | 16 |
| 12 | 05/30/2025 | 13:32:14 | -72.68, 148.88 | 129.10 | 05/30/2025 | 13:32:29 | -72.69, 148.88 | 129.09 | 1.02 | 15 |
| 13 | 05/30/2025 | 14:23:01 | 72.71, -43.86 | 50.92 | 05/30/2025 | 14:23:09 | 72.70, -43.77 | 50.91 | 3.06 | 8 |
| 14 | 05/30/2025 | 15:13:44 | -72.69, 123.50 | 129.11 | 05/30/2025 | 15:13:51 | -72.67, 123.51 | 129.12 | 1.32 | 7 |
| 15 | 05/30/2025 | 16:04:30 | 72.66, -69.13 | 50.86 | 05/30/2025 | 16:04:31 | 72.68, -69.15 | 50.88 | 2.75 | 1 |
| 16 | 05/30/2025 | 16:55:14 | -72.69, 98.12 | 129.12 | 05/30/2025 | 16:55:13 | -72.65, 98.13 | 129.15 | 3.65 | 1 |
| 17 | 05/30/2025 | 17:46:00 | 72.66, -94.51 | 50.85 | 05/30/2025 | 17:45:53 | 72.66, -94.53 | 50.86 | 0.60 | 7 |
| 18 | 05/30/2025 | 18:36:43 | -72.64, 72.85 | 129.18 | 05/30/2025 | 18:36:35 | -72.64, 72.75 | 129.18 | 3.34 | 8 |
| 19 | 05/30/2025 | 19:27:30 | 72.66,-119.89 | 50.84 | 05/30/2025 | 19:27:15 | 72.64,-119.90 | 50.83 | 2.05 | 15 |
| 20 | 05/30/2025 | 20:18:13 | -72.64, 47.47 | 129.19 | 05/30/2025 | 20:17:56 | -72.67, 47.47 | 129.16 | 2.95 | 17 |
| 21 | 05/30/2025 | 21:09:00 | 72.66,-145.27 | 50.84 | 05/30/2025 | 21:08:36 | 72.67,-145.18 | 50.85 | 3.24 | 24 |
| 22 | 05/30/2025 | 21:59:43 | -72.64, 22.09 | 129.19 | 05/30/2025 | 21:59:18 | -72.65, 22.09 | 129.18 | 0.63 | 25 |
| 23 | 05/30/2025 | 22:50:30 | 72.67,-170.65 | 50.83 | 05/30/2025 | 22:49:58 | 72.66,-170.56 | 50.82 | 3.13 | 32 |
| 24 | 05/30/2025 | 23:41:13 | -72.65, -3.29 | 129.20 | 05/30/2025 | 23:40:40 | -72.63, -3.28 | 129.21 | 1.73 | 33 |
| 25 | 05/31/2025 | 00:31:59 | 72.62, 164.08 | 50.77 | 05/31/2025 | 00:31:20 | 72.64, 164.06 | 50.79 | 2.31 | 39 |
| 26 | 05/31/2025 | 01:22:42 | -72.60, -28.56 | 129.26 | 05/31/2025 | 01:22:02 | -72.61, -28.66 | 129.24 | 3.66 | 40 |
| 27 | 05/31/2025 | 02:13:29 | 72.62, 138.70 | 50.76 | 05/31/2025 | 02:12:42 | 72.62, 138.68 | 50.77 | 0.52 | 47 |
| 28 | 05/31/2025 | 03:04:12 | -72.60, -53.94 | 129.27 | 05/31/2025 | 03:03:24 | -72.59, -54.04 | 129.26 | 3.39 | 48 |
| 29 | 05/31/2025 | 03:54:59 | 72.62, 113.32 | 50.75 | 05/31/2025 | 03:54:04 | 72.60, 113.30 | 50.74 | 2.52 | 55 |
| 30 | 05/31/2025 | 04:45:42 | -72.60, -79.32 | 129.28 | 05/31/2025 | 04:44:45 | -72.62, -79.32 | 129.25 | 2.53 | 57 |
| 31 | 05/31/2025 | 05:36:29 | 72.62, 87.94 | 50.74 | 05/31/2025 | 05:35:25 | 72.63, 88.03 | 50.76 | 3.05 | 64 |
| 32 | 05/31/2025 | 06:27:12 | -72.60,-104.70 | 129.29 | 05/31/2025 | 06:26:07 | -72.60,-104.70 | 129.27 | 0.24 | 65 |
| 33 | 05/31/2025 | 07:17:59 | 72.62, 62.56 | 50.74 | 05/31/2025 | 07:16:47 | 72.61, 62.65 | 50.73 | 3.31 | 72 |
| 34 | 05/31/2025 | 08:08:42 | -72.60,-130.08 | 129.29 | 05/31/2025 | 08:07:29 | -72.59,-130.07 | 129.30 | 2.16 | 73 |
| 35 | 05/31/2025 | 08:59:25 | 72.42, 37.59 | 50.51 | 05/31/2025 | 08:58:12 | 72.44, 36.96 | 50.57 | 21.26 | 73 |
| 36 | 05/31/2025 | 09:50:06 | -72.35,-154.95 | 129.58 | 05/31/2025 | 09:48:54 | -72.36,-155.86 | 129.51 | 30.74 | 72 |
| 37 | 05/31/2025 | 10:40:48 | 72.12, 12.82 | 50.17 | 05/31/2025 | 10:39:39 | 72.11, 10.98 | 50.27 | 62.56 | 69 |
| 38 | 05/31/2025 | 11:31:30 | -72.05,-179.73 | 129.91 | 05/31/2025 | 11:30:21 | -72.09, 178.27 | 129.76 | 68.62 | 69 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 5/30/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 05/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C