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: 4/4/2025
| 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 | 07:11:37 | 73.46, 62.47 | 66.31 | 04/08/2025 | 07:12:44 | 73.42, 65.16 | 66.13 | 85.47 | 67 |
| 2 | 04/08/2025 | 08:02:20 | -73.38,-130.04 | 113.79 | 04/08/2025 | 08:03:28 | -73.33,-127.72 | 113.97 | 74.28 | 68 |
| 3 | 04/08/2025 | 08:53:01 | 73.16, 37.74 | 65.96 | 04/08/2025 | 08:54:11 | 73.14, 39.21 | 65.86 | 47.40 | 70 |
| 4 | 04/08/2025 | 09:43:44 | -73.09,-154.78 | 114.14 | 04/08/2025 | 09:44:55 | -73.05,-153.66 | 114.24 | 36.39 | 71 |
| 5 | 04/08/2025 | 10:34:25 | 72.87, 13.00 | 65.62 | 04/08/2025 | 10:35:39 | 72.82, 13.17 | 65.54 | 8.57 | 74 |
| 6 | 04/08/2025 | 11:25:08 | -72.80,-179.53 | 114.49 | 04/08/2025 | 11:26:22 | -72.78,-179.58 | 114.52 | 2.79 | 74 |
| 7 | 04/08/2025 | 12:15:53 | 72.78, -12.19 | 65.49 | 04/08/2025 | 12:17:01 | 72.79, -12.22 | 65.49 | 1.49 | 68 |
| 8 | 04/08/2025 | 13:06:38 | -72.81, 155.07 | 114.50 | 04/08/2025 | 13:07:43 | -72.80, 155.13 | 114.52 | 1.95 | 65 |
| 9 | 04/08/2025 | 13:57:23 | 72.79, -37.58 | 65.47 | 04/08/2025 | 13:58:23 | 72.77, -37.61 | 65.44 | 2.85 | 60 |
| 10 | 04/08/2025 | 14:48:07 | -72.77, 129.78 | 114.57 | 04/08/2025 | 14:49:05 | -72.78, 129.74 | 114.57 | 1.95 | 58 |
| 11 | 04/08/2025 | 15:38:53 | 72.80, -62.98 | 65.46 | 04/08/2025 | 15:39:44 | 72.79, -62.89 | 65.44 | 3.00 | 51 |
| 12 | 04/08/2025 | 16:29:37 | -72.78, 104.39 | 114.59 | 04/08/2025 | 16:30:27 | -72.75, 104.35 | 114.62 | 2.75 | 50 |
| 13 | 04/08/2025 | 17:20:22 | 72.76, -88.27 | 65.39 | 04/08/2025 | 17:21:06 | 72.77, -88.28 | 65.39 | 0.93 | 44 |
| 14 | 04/08/2025 | 18:11:07 | -72.79, 78.99 | 114.60 | 04/08/2025 | 18:11:48 | -72.78, 79.07 | 114.62 | 2.50 | 41 |
| 15 | 04/08/2025 | 19:01:52 | 72.77,-113.66 | 65.37 | 04/08/2025 | 19:02:28 | 72.74,-113.67 | 65.34 | 3.07 | 36 |
| 16 | 04/08/2025 | 19:52:36 | -72.75, 53.70 | 114.67 | 04/08/2025 | 19:53:10 | -72.76, 53.68 | 114.67 | 1.40 | 34 |
| 17 | 04/08/2025 | 20:43:22 | 72.78,-139.06 | 65.36 | 04/08/2025 | 20:43:49 | 72.77,-138.96 | 65.34 | 3.60 | 27 |
| 18 | 04/08/2025 | 21:34:06 | -72.76, 28.31 | 114.69 | 04/08/2025 | 21:34:32 | -72.73, 28.29 | 114.72 | 2.85 | 26 |
| 19 | 04/08/2025 | 22:24:51 | 72.74,-164.35 | 65.29 | 04/08/2025 | 22:25:11 | 72.75,-164.35 | 65.29 | 0.48 | 20 |
| 20 | 04/08/2025 | 23:15:36 | -72.77, 2.91 | 114.70 | 04/08/2025 | 23:15:53 | -72.76, 3.00 | 114.72 | 3.08 | 17 |
| 21 | 04/09/2025 | 00:06:21 | 72.75, 170.25 | 65.27 | 04/09/2025 | 00:06:33 | 72.72, 170.26 | 65.24 | 3.41 | 12 |
| 22 | 04/09/2025 | 00:57:05 | -72.73, -22.38 | 114.77 | 04/09/2025 | 00:57:15 | -72.73, -22.39 | 114.77 | 0.86 | 10 |
| 23 | 04/09/2025 | 01:47:50 | 72.71, 144.96 | 65.20 | 04/09/2025 | 01:47:55 | 72.70, 144.87 | 65.19 | 3.46 | 5 |
| 24 | 04/09/2025 | 02:38:35 | -72.74, -47.77 | 114.79 | 04/09/2025 | 02:38:37 | -72.71, -47.78 | 114.82 | 3.08 | 2 |
| 25 | 04/09/2025 | 03:29:20 | 72.72, 119.57 | 65.19 | 04/09/2025 | 03:29:16 | 72.72, 119.59 | 65.19 | 0.61 | 4 |
| 26 | 04/09/2025 | 04:20:05 | -72.75, -73.17 | 114.80 | 04/09/2025 | 04:19:58 | -72.74, -73.06 | 114.82 | 3.68 | 7 |
| 27 | 04/09/2025 | 05:10:49 | 72.68, 94.28 | 65.12 | 04/09/2025 | 05:10:38 | 72.70, 94.20 | 65.14 | 3.28 | 11 |
| 28 | 04/09/2025 | 06:01:34 | -72.71, -98.46 | 114.87 | 04/09/2025 | 06:01:20 | -72.71, -98.45 | 114.87 | 0.49 | 14 |
| 29 | 04/09/2025 | 06:52:19 | 72.69, 68.88 | 65.10 | 04/09/2025 | 06:52:00 | 72.67, 68.81 | 65.09 | 3.21 | 19 |
| 30 | 04/09/2025 | 07:43:04 | -72.72,-123.85 | 114.89 | 04/09/2025 | 07:42:42 | -72.69,-123.84 | 114.92 | 3.42 | 22 |
| 31 | 04/09/2025 | 08:33:49 | 72.70, 43.49 | 65.09 | 04/09/2025 | 08:33:21 | 72.70, 43.52 | 65.09 | 1.16 | 28 |
| 32 | 04/09/2025 | 09:24:33 | -72.68,-149.15 | 114.96 | 04/09/2025 | 09:24:04 | -72.66,-149.23 | 114.96 | 3.35 | 29 |
| 33 | 04/09/2025 | 10:15:18 | 72.66, 18.20 | 65.02 | 04/09/2025 | 10:14:43 | 72.68, 18.13 | 65.04 | 2.61 | 35 |
| 34 | 04/09/2025 | 11:06:03 | -72.69,-174.54 | 114.97 | 04/09/2025 | 11:05:25 | -72.69,-174.52 | 114.97 | 0.71 | 38 |
| 35 | 04/09/2025 | 11:56:48 | 72.67, -7.20 | 65.00 | 04/09/2025 | 11:56:05 | 72.65, -7.26 | 64.99 | 3.10 | 43 |
| 36 | 04/09/2025 | 12:47:32 | -72.65, 160.17 | 115.04 | 04/09/2025 | 12:46:47 | -72.66, 160.09 | 115.01 | 3.17 | 45 |
| 37 | 04/09/2025 | 13:38:18 | 72.68, -32.60 | 64.99 | 04/09/2025 | 13:37:26 | 72.68, -32.55 | 64.99 | 1.80 | 52 |
| 38 | 04/09/2025 | 14:29:02 | -72.66, 134.77 | 115.06 | 04/09/2025 | 14:28:09 | -72.64, 134.70 | 115.06 | 3.11 | 53 |
| 39 | 04/09/2025 | 15:19:47 | 72.64, -57.89 | 64.92 | 04/09/2025 | 15:18:48 | 72.65, -57.94 | 64.94 | 1.93 | 59 |
| 40 | 04/09/2025 | 16:10:32 | -72.67, 109.38 | 115.07 | 04/09/2025 | 16:09:30 | -72.67, 109.41 | 115.07 | 1.27 | 62 |
| 41 | 04/09/2025 | 17:01:17 | 72.65, -83.28 | 64.90 | 04/09/2025 | 17:00:10 | 72.63, -83.33 | 64.89 | 3.14 | 67 |
| 42 | 04/09/2025 | 17:52:01 | -72.63, 84.08 | 115.14 | 04/09/2025 | 17:50:52 | -72.64, 84.02 | 115.11 | 2.51 | 69 |
| 43 | 04/09/2025 | 18:42:46 | 72.61,-108.57 | 64.83 | 04/09/2025 | 18:41:32 | 72.60,-108.71 | 64.84 | 4.78 | 74 |
| 44 | 04/09/2025 | 19:33:29 | -72.54, 58.90 | 115.27 | 04/09/2025 | 19:32:15 | -72.57, 58.53 | 115.21 | 12.55 | 74 |
| 45 | 04/09/2025 | 20:24:10 | 72.32,-133.36 | 64.49 | 04/09/2025 | 20:22:59 | 72.32,-134.61 | 64.57 | 42.41 | 71 |
| 46 | 04/09/2025 | 21:14:53 | -72.24, 34.11 | 115.61 | 04/09/2025 | 21:13:43 | -72.23, 32.54 | 115.53 | 53.16 | 70 |
| 47 | 04/09/2025 | 22:05:34 | 72.02,-158.16 | 64.14 | 04/09/2025 | 22:04:26 | 72.04,-160.49 | 64.29 | 80.20 | 68 |
| 48 | 04/09/2025 | 22:56:17 | -71.95, 9.30 | 115.96 | 04/09/2025 | 22:55:10 | -71.95, 6.67 | 115.80 | 90.77 | 67 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 4/4/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 04/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C