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: 4/21/2025
| 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 | 14:28:57 | 74.67, -49.80 | 59.08 | 05/03/2025 | 14:30:04 | 74.62, -47.34 | 58.89 | 72.93 | 67 |
| 2 | 05/03/2025 | 15:19:39 | -74.55, 117.84 | 121.07 | 05/03/2025 | 15:20:49 | -74.47, 119.61 | 121.26 | 53.08 | 70 |
| 3 | 05/03/2025 | 16:10:20 | 74.34, -74.31 | 58.69 | 05/03/2025 | 16:11:32 | 74.31, -73.48 | 58.59 | 25.16 | 72 |
| 4 | 05/03/2025 | 17:01:03 | -74.27, 93.19 | 121.41 | 05/03/2025 | 17:02:16 | -74.21, 93.60 | 121.51 | 13.80 | 73 |
| 5 | 05/03/2025 | 17:51:46 | 74.16, -99.22 | 58.46 | 05/03/2025 | 17:52:57 | 74.14, -99.24 | 58.43 | 2.20 | 71 |
| 6 | 05/03/2025 | 18:42:30 | -74.13, 68.16 | 121.58 | 05/03/2025 | 18:43:39 | -74.14, 68.09 | 121.58 | 2.31 | 69 |
| 7 | 05/03/2025 | 19:33:16 | 74.17,-124.62 | 58.46 | 05/03/2025 | 19:34:18 | 74.17,-124.51 | 58.43 | 3.53 | 62 |
| 8 | 05/03/2025 | 20:24:00 | -74.15, 42.75 | 121.59 | 05/03/2025 | 20:25:01 | -74.12, 42.70 | 121.62 | 3.12 | 61 |
| 9 | 05/03/2025 | 21:14:45 | 74.13,-149.90 | 58.40 | 05/03/2025 | 21:15:40 | 74.15,-149.89 | 58.40 | 1.81 | 55 |
| 10 | 05/03/2025 | 22:05:30 | -74.16, 17.35 | 121.59 | 05/03/2025 | 22:06:22 | -74.15, 17.43 | 121.62 | 2.70 | 52 |
| 11 | 05/03/2025 | 22:56:15 | 74.15,-175.31 | 58.39 | 05/03/2025 | 22:57:02 | 74.13,-175.28 | 58.36 | 1.97 | 47 |
| 12 | 05/03/2025 | 23:46:59 | -74.12, -7.93 | 121.65 | 05/03/2025 | 23:47:44 | -74.13, -7.95 | 121.65 | 1.33 | 45 |
| 13 | 05/04/2025 | 00:37:44 | 74.11, 159.41 | 58.33 | 05/04/2025 | 00:38:24 | 74.11, 159.33 | 58.32 | 2.38 | 40 |
| 14 | 05/04/2025 | 01:28:29 | -74.14, -33.34 | 121.66 | 05/04/2025 | 01:29:06 | -74.11, -33.34 | 121.69 | 2.34 | 37 |
| 15 | 05/04/2025 | 02:19:14 | 74.12, 134.00 | 58.32 | 05/04/2025 | 02:19:45 | 74.14, 134.06 | 58.33 | 2.77 | 31 |
| 16 | 05/04/2025 | 03:09:58 | -74.10, -58.62 | 121.72 | 05/04/2025 | 03:10:28 | -74.09, -58.73 | 121.73 | 3.26 | 30 |
| 17 | 05/04/2025 | 04:00:44 | 74.14, 108.60 | 58.32 | 05/04/2025 | 04:01:07 | 74.12, 108.67 | 58.29 | 2.79 | 23 |
| 18 | 05/04/2025 | 04:51:28 | -74.11, -84.03 | 121.73 | 05/04/2025 | 04:51:49 | -74.13, -84.00 | 121.72 | 1.81 | 21 |
| 19 | 05/04/2025 | 05:42:13 | 74.10, 83.31 | 58.25 | 05/04/2025 | 05:42:29 | 74.10, 83.29 | 58.26 | 0.95 | 16 |
| 20 | 05/04/2025 | 06:32:58 | -74.12,-109.43 | 121.73 | 05/04/2025 | 06:33:11 | -74.11,-109.38 | 121.76 | 2.53 | 13 |
| 21 | 05/04/2025 | 07:23:43 | 74.11, 57.91 | 58.25 | 05/04/2025 | 07:23:51 | 74.08, 57.90 | 58.22 | 3.17 | 8 |
| 22 | 05/04/2025 | 08:14:27 | -74.09,-134.72 | 121.79 | 05/04/2025 | 08:14:33 | -74.09,-134.77 | 121.79 | 1.67 | 6 |
| 23 | 05/04/2025 | 09:05:12 | 74.08, 32.62 | 58.19 | 05/04/2025 | 09:05:13 | 74.06, 32.51 | 58.18 | 3.75 | 1 |
| 24 | 05/04/2025 | 09:55:57 | -74.10,-160.12 | 121.80 | 05/04/2025 | 09:55:54 | -74.12,-160.04 | 121.79 | 3.13 | 3 |
| 25 | 05/04/2025 | 10:46:42 | 74.09, 7.22 | 58.18 | 05/04/2025 | 10:46:34 | 74.09, 7.24 | 58.19 | 0.97 | 8 |
| 26 | 05/04/2025 | 11:37:27 | -74.11, 174.47 | 121.81 | 05/04/2025 | 11:37:16 | -74.10, 174.57 | 121.82 | 3.54 | 11 |
| 27 | 05/04/2025 | 12:28:12 | 74.10, -18.19 | 58.17 | 05/04/2025 | 12:27:56 | 74.08, -18.15 | 58.15 | 3.13 | 16 |
| 28 | 05/04/2025 | 13:18:56 | -74.08, 149.19 | 121.87 | 05/04/2025 | 13:18:38 | -74.08, 149.19 | 121.86 | 0.20 | 18 |
| 29 | 05/04/2025 | 14:09:41 | 74.06, -43.47 | 58.11 | 05/04/2025 | 14:09:18 | 74.06, -43.53 | 58.11 | 2.22 | 23 |
| 30 | 05/04/2025 | 15:00:26 | -74.09, 123.78 | 121.87 | 05/04/2025 | 15:00:00 | -74.06, 123.80 | 121.90 | 3.41 | 26 |
| 31 | 05/04/2025 | 15:51:11 | 74.08, -68.87 | 58.11 | 05/04/2025 | 15:50:39 | 74.09, -68.80 | 58.12 | 2.41 | 32 |
| 32 | 05/04/2025 | 16:41:55 | -74.05, 98.50 | 121.93 | 05/04/2025 | 16:41:22 | -74.04, 98.41 | 121.93 | 3.10 | 33 |
| 33 | 05/04/2025 | 17:32:40 | 74.04, -94.16 | 58.05 | 05/04/2025 | 17:32:01 | 74.07, -94.19 | 58.08 | 3.00 | 39 |
| 34 | 05/04/2025 | 18:23:25 | -74.07, 73.09 | 121.94 | 05/04/2025 | 18:22:43 | -74.07, 73.14 | 121.93 | 1.55 | 42 |
| 35 | 05/04/2025 | 19:14:10 | 74.05,-119.56 | 58.04 | 05/04/2025 | 19:13:23 | 74.05,-119.58 | 58.05 | 0.87 | 47 |
| 36 | 05/04/2025 | 20:04:54 | -74.03, 47.81 | 122.00 | 05/04/2025 | 20:04:05 | -74.05, 47.76 | 121.97 | 2.89 | 49 |
| 37 | 05/04/2025 | 20:55:39 | 74.02,-144.85 | 57.98 | 05/04/2025 | 20:54:45 | 74.03,-144.97 | 58.01 | 3.81 | 54 |
| 38 | 05/04/2025 | 21:46:24 | -74.04, 22.41 | 122.01 | 05/04/2025 | 21:45:27 | -74.03, 22.37 | 122.00 | 1.67 | 57 |
| 39 | 05/04/2025 | 22:37:09 | 74.03,-170.25 | 57.97 | 05/04/2025 | 22:36:06 | 74.06,-170.23 | 58.01 | 3.13 | 63 |
| 40 | 05/04/2025 | 23:27:54 | -74.06, -3.00 | 122.01 | 05/04/2025 | 23:26:48 | -74.06, -2.90 | 122.00 | 3.15 | 66 |
| 41 | 05/05/2025 | 00:18:39 | 74.04, 164.34 | 57.97 | 05/05/2025 | 00:17:28 | 74.04, 164.38 | 57.98 | 1.21 | 71 |
| 42 | 05/05/2025 | 01:09:23 | -74.02, -28.28 | 122.07 | 05/05/2025 | 01:08:10 | -74.04, -28.29 | 122.03 | 2.61 | 73 |
| 43 | 05/05/2025 | 02:00:06 | 73.91, 139.30 | 57.80 | 05/05/2025 | 01:58:53 | 73.87, 138.63 | 57.81 | 20.98 | 73 |
| 44 | 05/05/2025 | 02:50:49 | -73.83, -53.21 | 122.30 | 05/05/2025 | 02:49:36 | -73.82, -54.15 | 122.24 | 29.02 | 73 |
| 45 | 05/05/2025 | 03:41:29 | 73.57, 114.72 | 57.41 | 05/05/2025 | 03:40:20 | 73.60, 112.67 | 57.57 | 64.48 | 69 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 4/21/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 04/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B