Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/24/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 05/03/2025 | 06:52:50 | -74.82,-116.17 | 120.66 | 05/03/2025 | 06:53:55 | -74.77,-112.90 | 120.89 | 95.57 | 65 |
| 2 | 05/03/2025 | 07:43:31 | 74.60, 51.72 | 59.09 | 05/03/2025 | 07:44:39 | 74.56, 53.88 | 58.92 | 63.82 | 68 |
| 3 | 05/03/2025 | 08:34:13 | -74.48,-140.64 | 121.07 | 05/03/2025 | 08:35:24 | -74.41,-139.19 | 121.23 | 43.88 | 71 |
| 4 | 05/03/2025 | 09:24:55 | 74.31, 27.12 | 58.74 | 05/03/2025 | 09:26:07 | 74.25, 27.74 | 58.63 | 19.88 | 72 |
| 5 | 05/03/2025 | 10:15:37 | -74.19,-165.26 | 121.41 | 05/03/2025 | 10:16:51 | -74.15,-165.19 | 121.47 | 4.90 | 74 |
| 6 | 05/03/2025 | 11:06:22 | 74.16, 2.11 | 58.55 | 05/03/2025 | 11:07:31 | 74.13, 2.10 | 58.50 | 3.69 | 69 |
| 7 | 05/03/2025 | 11:57:06 | -74.14, 169.49 | 121.49 | 05/03/2025 | 11:58:13 | -74.13, 169.42 | 121.51 | 2.32 | 67 |
| 8 | 05/03/2025 | 12:47:52 | 74.17, -23.26 | 58.53 | 05/03/2025 | 12:48:52 | 74.16, -23.16 | 58.51 | 2.98 | 60 |
| 9 | 05/03/2025 | 13:38:36 | -74.14, 144.11 | 121.51 | 05/03/2025 | 13:39:34 | -74.16, 144.16 | 121.51 | 2.54 | 58 |
| 10 | 05/03/2025 | 14:29:21 | 74.12, -48.51 | 58.46 | 05/03/2025 | 14:30:14 | 74.14, -48.55 | 58.47 | 3.17 | 53 |
| 11 | 05/03/2025 | 15:20:06 | -74.14, 118.74 | 121.53 | 05/03/2025 | 15:20:56 | -74.14, 118.77 | 121.54 | 0.95 | 50 |
| 12 | 05/03/2025 | 16:10:51 | 74.12, -73.89 | 58.44 | 05/03/2025 | 16:11:36 | 74.12, -73.94 | 58.44 | 1.71 | 45 |
| 13 | 05/03/2025 | 17:01:36 | -74.14, 93.36 | 121.55 | 05/03/2025 | 17:02:18 | -74.12, 93.38 | 121.58 | 2.21 | 42 |
| 14 | 05/03/2025 | 17:52:21 | 74.12, -99.26 | 58.42 | 05/03/2025 | 17:52:58 | 74.10, -99.33 | 58.40 | 2.36 | 37 |
| 15 | 05/03/2025 | 18:43:05 | -74.09, 68.11 | 121.62 | 05/03/2025 | 18:43:40 | -74.10, 68.00 | 121.62 | 3.67 | 35 |
| 16 | 05/03/2025 | 19:33:51 | 74.12,-124.64 | 58.40 | 05/03/2025 | 19:34:19 | 74.13,-124.59 | 58.40 | 2.39 | 28 |
| 17 | 05/03/2025 | 20:24:36 | -74.14, 42.61 | 121.59 | 05/03/2025 | 20:25:01 | -74.13, 42.73 | 121.61 | 3.68 | 25 |
| 18 | 05/03/2025 | 21:15:21 | 74.12,-150.02 | 58.38 | 05/03/2025 | 21:15:41 | 74.12,-149.98 | 58.37 | 1.08 | 20 |
| 19 | 05/03/2025 | 22:06:05 | -74.09, 17.36 | 121.66 | 05/03/2025 | 22:06:23 | -74.11, 17.34 | 121.65 | 2.37 | 18 |
| 20 | 05/03/2025 | 22:56:51 | 74.12,-175.39 | 58.36 | 05/03/2025 | 22:57:03 | 74.10,-175.37 | 58.33 | 2.54 | 12 |
| 21 | 05/03/2025 | 23:47:35 | -74.09, -8.02 | 121.68 | 05/03/2025 | 23:47:45 | -74.10, -8.05 | 121.68 | 0.89 | 10 |
| 22 | 05/04/2025 | 00:38:20 | 74.07, 159.35 | 58.28 | 05/04/2025 | 00:38:25 | 74.08, 159.24 | 58.29 | 3.53 | 5 |
| 23 | 05/04/2025 | 01:29:05 | -74.09, -33.39 | 121.70 | 05/04/2025 | 01:29:07 | -74.08, -33.43 | 121.72 | 2.37 | 2 |
| 24 | 05/04/2025 | 02:19:51 | 74.12, 133.86 | 58.32 | 05/04/2025 | 02:19:46 | 74.11, 133.97 | 58.30 | 3.85 | 5 |
| 25 | 05/04/2025 | 03:10:35 | -74.10, -58.77 | 121.72 | 05/04/2025 | 03:10:28 | -74.11, -58.70 | 121.72 | 2.46 | 7 |
| 26 | 05/04/2025 | 04:01:20 | 74.07, 108.60 | 58.24 | 05/04/2025 | 04:01:08 | 74.09, 108.59 | 58.26 | 2.03 | 12 |
| 27 | 05/04/2025 | 04:52:05 | -74.10, -84.15 | 121.74 | 05/04/2025 | 04:51:50 | -74.09, -84.09 | 121.75 | 1.95 | 15 |
| 28 | 05/04/2025 | 05:42:50 | 74.07, 83.23 | 58.22 | 05/04/2025 | 05:42:30 | 74.07, 83.20 | 58.23 | 0.88 | 20 |
| 29 | 05/04/2025 | 06:33:34 | -74.05,-109.40 | 121.82 | 05/04/2025 | 06:33:12 | -74.07,-109.48 | 121.79 | 3.34 | 22 |
| 30 | 05/04/2025 | 07:24:20 | 74.07, 57.85 | 58.20 | 05/04/2025 | 07:23:52 | 74.05, 57.81 | 58.19 | 2.71 | 28 |
| 31 | 05/04/2025 | 08:15:04 | -74.05,-134.78 | 121.84 | 05/04/2025 | 08:14:34 | -74.05,-134.86 | 121.83 | 2.69 | 30 |
| 32 | 05/04/2025 | 09:05:50 | 74.07, 32.48 | 58.18 | 05/04/2025 | 09:05:13 | 74.08, 32.54 | 58.19 | 2.28 | 37 |
| 33 | 05/04/2025 | 09:56:34 | -74.05,-160.15 | 121.86 | 05/04/2025 | 09:55:55 | -74.08,-160.13 | 121.82 | 3.59 | 39 |
| 34 | 05/04/2025 | 10:47:20 | 74.07, 7.10 | 58.16 | 05/04/2025 | 10:46:35 | 74.06, 7.16 | 58.16 | 2.16 | 45 |
| 35 | 05/04/2025 | 11:38:04 | -74.05, 174.47 | 121.88 | 05/04/2025 | 11:37:17 | -74.06, 174.48 | 121.86 | 1.39 | 47 |
| 36 | 05/04/2025 | 12:28:49 | 74.02, -18.15 | 58.09 | 05/04/2025 | 12:27:57 | 74.04, -18.23 | 58.12 | 3.07 | 52 |
| 37 | 05/04/2025 | 13:19:34 | -74.05, 149.10 | 121.90 | 05/04/2025 | 13:18:39 | -74.04, 149.09 | 121.89 | 0.83 | 55 |
| 38 | 05/04/2025 | 14:10:19 | 74.02, -43.53 | 58.07 | 05/04/2025 | 14:09:19 | 74.02, -43.62 | 58.08 | 2.73 | 60 |
| 39 | 05/04/2025 | 15:01:04 | -74.05, 123.72 | 121.92 | 05/04/2025 | 15:00:01 | -74.02, 123.71 | 121.93 | 3.04 | 63 |
| 40 | 05/04/2025 | 15:51:49 | 74.02, -68.91 | 58.05 | 05/04/2025 | 15:50:40 | 74.05, -68.89 | 58.09 | 3.14 | 69 |
| 41 | 05/04/2025 | 16:42:34 | -74.05, 98.34 | 121.94 | 05/04/2025 | 16:41:22 | -74.05, 98.44 | 121.92 | 2.92 | 72 |
| 42 | 05/04/2025 | 17:33:17 | 73.93, -94.04 | 57.92 | 05/04/2025 | 17:32:04 | 73.93, -94.51 | 57.97 | 14.57 | 73 |
| 43 | 05/04/2025 | 18:24:00 | -73.85, 73.45 | 122.18 | 05/04/2025 | 18:22:47 | -73.88, 72.70 | 122.09 | 23.48 | 73 |
| 44 | 05/04/2025 | 19:14:41 | 73.63,-118.71 | 57.57 | 05/04/2025 | 19:13:32 | 73.61,-120.60 | 57.68 | 59.29 | 69 |
| 45 | 05/04/2025 | 20:05:24 | -73.56, 48.77 | 122.53 | 05/04/2025 | 20:04:15 | -73.57, 46.62 | 122.38 | 67.75 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/24/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B