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: 4/6/2025
| 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 | 04/08/2025 | 07:11:38 | 73.47, 62.44 | 66.32 | 04/08/2025 | 07:12:45 | 73.40, 65.12 | 66.12 | 85.32 | 67 |
| 2 | 04/08/2025 | 08:02:21 | -73.39,-130.08 | 113.78 | 04/08/2025 | 08:03:29 | -73.31,-127.77 | 113.98 | 74.26 | 68 |
| 3 | 04/08/2025 | 08:53:02 | 73.18, 37.71 | 65.98 | 04/08/2025 | 08:54:12 | 73.13, 39.17 | 65.84 | 47.30 | 70 |
| 4 | 04/08/2025 | 09:43:45 | -73.10,-154.81 | 114.12 | 04/08/2025 | 09:44:56 | -73.03,-153.70 | 114.26 | 36.60 | 71 |
| 5 | 04/08/2025 | 10:34:26 | 72.88, 12.97 | 65.63 | 04/08/2025 | 10:35:39 | 72.85, 13.24 | 65.56 | 9.79 | 73 |
| 6 | 04/08/2025 | 11:25:09 | -72.81,-179.56 | 114.47 | 04/08/2025 | 11:26:22 | -72.81,-179.52 | 114.49 | 1.40 | 73 |
| 7 | 04/08/2025 | 12:15:54 | 72.79, -12.21 | 65.50 | 04/08/2025 | 12:17:02 | 72.77, -12.26 | 65.47 | 2.74 | 68 |
| 8 | 04/08/2025 | 13:06:38 | -72.77, 155.15 | 114.54 | 04/08/2025 | 13:07:44 | -72.78, 155.09 | 114.54 | 2.37 | 66 |
| 9 | 04/08/2025 | 13:57:24 | 72.80, -37.61 | 65.49 | 04/08/2025 | 13:58:23 | 72.80, -37.54 | 65.47 | 2.32 | 59 |
| 10 | 04/08/2025 | 14:48:08 | -72.78, 129.75 | 114.56 | 04/08/2025 | 14:49:06 | -72.76, 129.70 | 114.59 | 3.18 | 58 |
| 11 | 04/08/2025 | 15:38:53 | 72.76, -62.90 | 65.42 | 04/08/2025 | 15:39:45 | 72.77, -62.93 | 65.42 | 1.59 | 52 |
| 12 | 04/08/2025 | 16:29:37 | -72.79, 104.36 | 114.57 | 04/08/2025 | 16:30:26 | -72.78, 104.41 | 114.59 | 1.95 | 49 |
| 13 | 04/08/2025 | 17:20:22 | 72.77, -88.29 | 65.40 | 04/08/2025 | 17:21:06 | 72.75, -88.32 | 65.37 | 2.86 | 44 |
| 14 | 04/08/2025 | 18:11:06 | -72.75, 79.07 | 114.64 | 04/08/2025 | 18:11:48 | -72.76, 79.02 | 114.64 | 1.80 | 42 |
| 15 | 04/08/2025 | 19:01:52 | 72.78,-113.69 | 65.39 | 04/08/2025 | 19:02:27 | 72.78,-113.61 | 65.37 | 2.88 | 35 |
| 16 | 04/08/2025 | 19:52:36 | -72.76, 53.67 | 114.66 | 04/08/2025 | 19:53:10 | -72.73, 53.63 | 114.69 | 3.22 | 34 |
| 17 | 04/08/2025 | 20:43:21 | 72.74,-138.98 | 65.32 | 04/08/2025 | 20:43:49 | 72.75,-139.00 | 65.32 | 1.00 | 28 |
| 18 | 04/08/2025 | 21:34:06 | -72.77, 28.28 | 114.67 | 04/08/2025 | 21:34:31 | -72.76, 28.35 | 114.69 | 2.52 | 25 |
| 19 | 04/08/2025 | 22:24:51 | 72.75,-164.38 | 65.30 | 04/08/2025 | 22:25:11 | 72.73,-164.39 | 65.27 | 3.11 | 20 |
| 20 | 04/08/2025 | 23:15:35 | -72.73, 2.99 | 114.74 | 04/08/2025 | 23:15:53 | -72.74, 2.96 | 114.74 | 1.22 | 18 |
| 21 | 04/09/2025 | 00:06:21 | 72.76, 170.23 | 65.29 | 04/09/2025 | 00:06:32 | 72.75, 170.33 | 65.27 | 3.47 | 11 |
| 22 | 04/09/2025 | 00:57:05 | -72.74, -22.41 | 114.76 | 04/09/2025 | 00:57:15 | -72.71, -22.43 | 114.79 | 3.37 | 10 |
| 23 | 04/09/2025 | 01:47:50 | 72.72, 144.94 | 65.22 | 04/09/2025 | 01:47:54 | 72.73, 144.93 | 65.22 | 0.44 | 4 |
| 24 | 04/09/2025 | 02:38:35 | -72.75, -47.80 | 114.77 | 04/09/2025 | 02:38:36 | -72.74, -47.72 | 114.79 | 3.10 | 1 |
| 25 | 04/09/2025 | 03:29:20 | 72.73, 119.54 | 65.20 | 04/09/2025 | 03:29:16 | 72.70, 119.54 | 65.17 | 3.48 | 4 |
| 26 | 04/09/2025 | 04:20:04 | -72.71, -73.09 | 114.84 | 04/09/2025 | 04:19:58 | -72.71, -73.11 | 114.84 | 0.62 | 6 |
| 27 | 04/09/2025 | 05:10:49 | 72.69, 94.25 | 65.13 | 04/09/2025 | 05:10:38 | 72.68, 94.15 | 65.12 | 3.66 | 11 |
| 28 | 04/09/2025 | 06:01:34 | -72.72, -98.49 | 114.86 | 04/09/2025 | 06:01:20 | -72.69, -98.50 | 114.89 | 3.64 | 14 |
| 29 | 04/09/2025 | 06:52:19 | 72.70, 68.86 | 65.12 | 04/09/2025 | 06:51:59 | 72.70, 68.87 | 65.12 | 0.40 | 20 |
| 30 | 04/09/2025 | 07:43:04 | -72.73,-123.88 | 114.87 | 04/09/2025 | 07:42:41 | -72.71,-123.79 | 114.89 | 3.71 | 23 |
| 31 | 04/09/2025 | 08:33:48 | 72.66, 43.57 | 65.05 | 04/09/2025 | 08:33:21 | 72.68, 43.48 | 65.07 | 3.38 | 27 |
| 32 | 04/09/2025 | 09:24:33 | -72.69,-149.18 | 114.94 | 04/09/2025 | 09:24:03 | -72.69,-149.18 | 114.94 | 0.13 | 30 |
| 33 | 04/09/2025 | 10:15:18 | 72.67, 18.17 | 65.03 | 04/09/2025 | 10:14:43 | 72.66, 18.09 | 65.02 | 3.47 | 35 |
| 34 | 04/09/2025 | 11:06:02 | -72.65,-174.47 | 115.01 | 04/09/2025 | 11:05:25 | -72.66,-174.57 | 114.99 | 3.72 | 37 |
| 35 | 04/09/2025 | 11:56:48 | 72.68, -7.23 | 65.02 | 04/09/2025 | 11:56:04 | 72.68, -7.20 | 65.02 | 0.99 | 44 |
| 36 | 04/09/2025 | 12:47:32 | -72.66, 160.14 | 115.03 | 04/09/2025 | 12:46:46 | -72.69, 160.15 | 114.99 | 3.39 | 46 |
| 37 | 04/09/2025 | 13:38:17 | 72.64, -32.52 | 64.95 | 04/09/2025 | 13:37:26 | 72.66, -32.59 | 64.97 | 2.72 | 51 |
| 38 | 04/09/2025 | 14:29:02 | -72.67, 134.74 | 115.04 | 04/09/2025 | 14:28:08 | -72.67, 134.76 | 115.04 | 0.67 | 54 |
| 39 | 04/09/2025 | 15:19:47 | 72.65, -57.91 | 64.93 | 04/09/2025 | 15:18:47 | 72.68, -57.88 | 64.97 | 3.31 | 60 |
| 40 | 04/09/2025 | 16:10:31 | -72.63, 109.45 | 115.11 | 04/09/2025 | 16:09:30 | -72.64, 109.37 | 115.09 | 3.09 | 61 |
| 41 | 04/09/2025 | 17:01:17 | 72.67, -83.31 | 64.92 | 04/09/2025 | 17:00:09 | 72.66, -83.27 | 64.92 | 1.66 | 68 |
| 42 | 04/09/2025 | 17:52:01 | -72.64, 84.06 | 115.13 | 04/09/2025 | 17:50:51 | -72.67, 84.08 | 115.09 | 3.07 | 70 |
| 43 | 04/09/2025 | 18:42:46 | 72.63,-108.60 | 64.85 | 04/09/2025 | 18:41:31 | 72.63,-108.66 | 64.87 | 2.05 | 75 |
| 44 | 04/09/2025 | 19:33:29 | -72.55, 58.87 | 115.25 | 04/09/2025 | 19:32:15 | -72.54, 58.48 | 115.23 | 12.83 | 74 |
| 45 | 04/09/2025 | 20:24:10 | 72.33,-133.38 | 64.50 | 04/09/2025 | 20:22:59 | 72.30,-134.66 | 64.55 | 43.18 | 71 |
| 46 | 04/09/2025 | 21:14:53 | -72.26, 34.08 | 115.60 | 04/09/2025 | 21:13:42 | -72.26, 32.59 | 115.50 | 50.41 | 71 |
| 47 | 04/09/2025 | 22:05:34 | 72.03,-158.18 | 64.15 | 04/09/2025 | 22:04:26 | 72.02,-160.54 | 64.27 | 80.85 | 68 |
| 48 | 04/09/2025 | 22:56:17 | -71.96, 9.27 | 115.94 | 04/09/2025 | 22:55:10 | -71.93, 6.62 | 115.82 | 91.52 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 4/6/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 04/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C