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: 4/25/2025
| 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 | -74.81,-116.16 | 120.67 | 05/03/2025 | 06:53:55 | -74.77,-112.91 | 120.90 | 94.86 | 65 |
| 2 | 05/03/2025 | 07:43:31 | 74.60, 51.74 | 59.08 | 05/03/2025 | 07:44:40 | 74.51, 53.74 | 58.87 | 59.92 | 69 |
| 3 | 05/03/2025 | 08:34:13 | -74.48,-140.62 | 121.07 | 05/03/2025 | 08:35:24 | -74.41,-139.20 | 121.23 | 43.18 | 71 |
| 4 | 05/03/2025 | 09:24:55 | 74.30, 27.14 | 58.73 | 05/03/2025 | 09:26:07 | 74.25, 27.73 | 58.62 | 18.98 | 72 |
| 5 | 05/03/2025 | 10:15:37 | -74.18,-165.24 | 121.42 | 05/03/2025 | 10:16:51 | -74.14,-165.20 | 121.48 | 4.71 | 74 |
| 6 | 05/03/2025 | 11:06:22 | 74.16, 2.13 | 58.55 | 05/03/2025 | 11:07:30 | 74.18, 2.21 | 58.54 | 3.26 | 68 |
| 7 | 05/03/2025 | 11:57:06 | -74.14, 169.50 | 121.49 | 05/03/2025 | 11:58:13 | -74.12, 169.41 | 121.52 | 3.02 | 67 |
| 8 | 05/03/2025 | 12:47:52 | 74.16, -23.24 | 58.52 | 05/03/2025 | 12:48:52 | 74.16, -23.17 | 58.51 | 2.10 | 60 |
| 9 | 05/03/2025 | 13:38:36 | -74.14, 144.13 | 121.51 | 05/03/2025 | 13:39:34 | -74.16, 144.15 | 121.51 | 2.14 | 58 |
| 10 | 05/03/2025 | 14:29:22 | 74.16, -48.62 | 58.50 | 05/03/2025 | 14:30:14 | 74.14, -48.56 | 58.47 | 2.83 | 52 |
| 11 | 05/03/2025 | 15:20:06 | -74.14, 118.75 | 121.53 | 05/03/2025 | 15:20:56 | -74.14, 118.76 | 121.55 | 0.21 | 50 |
| 12 | 05/03/2025 | 16:10:51 | 74.11, -73.87 | 58.43 | 05/03/2025 | 16:11:36 | 74.12, -73.95 | 58.43 | 2.62 | 45 |
| 13 | 05/03/2025 | 17:01:36 | -74.14, 93.38 | 121.55 | 05/03/2025 | 17:02:18 | -74.12, 93.37 | 121.58 | 2.28 | 42 |
| 14 | 05/03/2025 | 17:52:21 | 74.11, -99.25 | 58.41 | 05/03/2025 | 17:52:58 | 74.10, -99.34 | 58.39 | 3.04 | 37 |
| 15 | 05/03/2025 | 18:43:06 | -74.14, 68.00 | 121.58 | 05/03/2025 | 18:43:39 | -74.15, 68.10 | 121.58 | 3.29 | 33 |
| 16 | 05/03/2025 | 19:33:51 | 74.11,-124.62 | 58.39 | 05/03/2025 | 19:34:19 | 74.13,-124.61 | 58.40 | 2.19 | 28 |
| 17 | 05/03/2025 | 20:24:36 | -74.14, 42.62 | 121.60 | 05/03/2025 | 20:25:01 | -74.13, 42.71 | 121.62 | 2.98 | 25 |
| 18 | 05/03/2025 | 21:15:21 | 74.11,-150.00 | 58.37 | 05/03/2025 | 21:15:41 | 74.11,-149.99 | 58.36 | 0.14 | 20 |
| 19 | 05/03/2025 | 22:06:05 | -74.09, 17.37 | 121.67 | 05/03/2025 | 22:06:23 | -74.11, 17.33 | 121.65 | 2.52 | 18 |
| 20 | 05/03/2025 | 22:56:51 | 74.11,-175.37 | 58.35 | 05/03/2025 | 22:57:03 | 74.09,-175.38 | 58.33 | 2.28 | 12 |
| 21 | 05/03/2025 | 23:47:35 | -74.09, -8.01 | 121.69 | 05/03/2025 | 23:47:45 | -74.09, -8.06 | 121.69 | 1.70 | 10 |
| 22 | 05/04/2025 | 00:38:21 | 74.11, 159.25 | 58.33 | 05/04/2025 | 00:38:24 | 74.12, 159.35 | 58.33 | 3.22 | 3 |
| 23 | 05/04/2025 | 01:29:05 | -74.09, -33.38 | 121.71 | 05/04/2025 | 01:29:07 | -74.07, -33.45 | 121.73 | 3.03 | 2 |
| 24 | 05/04/2025 | 02:19:51 | 74.11, 133.87 | 58.31 | 05/04/2025 | 02:19:46 | 74.10, 133.96 | 58.29 | 2.91 | 5 |
| 25 | 05/04/2025 | 03:10:35 | -74.09, -58.76 | 121.73 | 05/04/2025 | 03:10:28 | -74.10, -58.72 | 121.72 | 1.65 | 7 |
| 26 | 05/04/2025 | 04:01:20 | 74.06, 108.62 | 58.23 | 05/04/2025 | 04:01:08 | 74.08, 108.57 | 58.26 | 2.55 | 12 |
| 27 | 05/04/2025 | 04:52:05 | -74.09, -84.13 | 121.75 | 05/04/2025 | 04:51:50 | -74.08, -84.10 | 121.76 | 1.42 | 15 |
| 28 | 05/04/2025 | 05:42:50 | 74.06, 83.25 | 58.21 | 05/04/2025 | 05:42:30 | 74.06, 83.19 | 58.22 | 1.83 | 20 |
| 29 | 05/04/2025 | 06:33:35 | -74.09,-109.51 | 121.77 | 05/04/2025 | 06:33:12 | -74.06,-109.49 | 121.79 | 3.34 | 23 |
| 30 | 05/04/2025 | 07:24:20 | 74.06, 57.87 | 58.19 | 05/04/2025 | 07:23:52 | 74.04, 57.80 | 58.18 | 3.20 | 28 |
| 31 | 05/04/2025 | 08:15:04 | -74.04,-134.76 | 121.84 | 05/04/2025 | 08:14:34 | -74.04,-134.88 | 121.83 | 3.55 | 30 |
| 32 | 05/04/2025 | 09:05:50 | 74.06, 32.49 | 58.17 | 05/04/2025 | 09:05:13 | 74.07, 32.53 | 58.19 | 1.48 | 37 |
| 33 | 05/04/2025 | 09:56:34 | -74.04,-160.14 | 121.86 | 05/04/2025 | 09:55:55 | -74.07,-160.15 | 121.83 | 3.27 | 39 |
| 34 | 05/04/2025 | 10:47:20 | 74.06, 7.12 | 58.15 | 05/04/2025 | 10:46:35 | 74.05, 7.14 | 58.15 | 1.43 | 45 |
| 35 | 05/04/2025 | 11:38:04 | -74.04, 174.48 | 121.88 | 05/04/2025 | 11:37:17 | -74.05, 174.47 | 121.86 | 1.23 | 47 |
| 36 | 05/04/2025 | 12:28:50 | 74.07, -18.26 | 58.13 | 05/04/2025 | 12:27:57 | 74.03, -18.25 | 58.12 | 3.47 | 53 |
| 37 | 05/04/2025 | 13:19:34 | -74.04, 149.11 | 121.90 | 05/04/2025 | 13:18:39 | -74.03, 149.08 | 121.90 | 1.48 | 55 |
| 38 | 05/04/2025 | 14:10:20 | 74.07, -43.63 | 58.11 | 05/04/2025 | 14:09:18 | 74.06, -43.51 | 58.12 | 3.65 | 62 |
| 39 | 05/04/2025 | 15:01:04 | -74.04, 123.73 | 121.92 | 05/04/2025 | 15:00:00 | -74.06, 123.81 | 121.89 | 3.19 | 64 |
| 40 | 05/04/2025 | 15:51:49 | 74.02, -68.89 | 58.04 | 05/04/2025 | 15:50:40 | 74.04, -68.90 | 58.08 | 3.14 | 69 |
| 41 | 05/04/2025 | 16:42:34 | -74.04, 98.36 | 121.94 | 05/04/2025 | 16:41:22 | -74.04, 98.42 | 121.93 | 1.98 | 72 |
| 42 | 05/04/2025 | 17:33:17 | 73.92, -94.02 | 57.91 | 05/04/2025 | 17:32:04 | 73.93, -94.53 | 57.96 | 15.62 | 73 |
| 43 | 05/04/2025 | 18:24:00 | -73.85, 73.46 | 122.18 | 05/04/2025 | 18:22:47 | -73.88, 72.68 | 122.09 | 24.36 | 73 |
| 44 | 05/04/2025 | 19:14:41 | 73.62,-118.69 | 57.56 | 05/04/2025 | 19:13:32 | 73.61,-120.61 | 57.67 | 60.35 | 69 |
| 45 | 05/04/2025 | 20:05:23 | -73.55, 48.78 | 122.53 | 05/04/2025 | 20:04:14 | -73.56, 46.60 | 122.38 | 68.70 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/25/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B