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: 3/4/2025
| 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 | 03/11/2025 | 19:28:18 | 74.70,-124.66 | 78.53 | 03/11/2025 | 19:29:23 | 74.69,-121.26 | 78.29 | 99.66 | 65 |
| 2 | 03/11/2025 | 20:19:01 | -74.65, 42.81 | 101.55 | 03/11/2025 | 20:20:07 | -74.58, 45.78 | 101.82 | 88.15 | 66 |
| 3 | 03/11/2025 | 21:09:42 | 74.41,-149.27 | 78.17 | 03/11/2025 | 21:10:51 | 74.38,-147.40 | 78.00 | 56.11 | 69 |
| 4 | 03/11/2025 | 22:00:24 | -74.31, 18.31 | 101.97 | 03/11/2025 | 22:01:35 | -74.28, 19.66 | 102.10 | 40.86 | 71 |
| 5 | 03/11/2025 | 22:51:06 | 74.13,-173.91 | 77.81 | 03/11/2025 | 22:52:19 | 74.08,-173.50 | 77.72 | 13.55 | 73 |
| 6 | 03/11/2025 | 23:41:48 | -74.02, -6.34 | 102.32 | 03/11/2025 | 23:43:02 | -74.02, -6.31 | 102.35 | 0.93 | 74 |
| 7 | 03/12/2025 | 00:32:34 | 74.03, 160.95 | 77.68 | 03/12/2025 | 00:33:42 | 74.01, 161.01 | 77.64 | 2.73 | 68 |
| 8 | 03/12/2025 | 01:23:18 | -74.03, -31.73 | 102.34 | 03/12/2025 | 01:24:24 | -74.01, -31.68 | 102.38 | 2.64 | 66 |
| 9 | 03/12/2025 | 02:14:03 | 73.99, 135.68 | 77.60 | 03/12/2025 | 02:15:04 | 74.00, 135.64 | 77.60 | 2.07 | 61 |
| 10 | 03/12/2025 | 03:04:47 | -73.99, -56.99 | 102.42 | 03/12/2025 | 03:05:46 | -74.00, -57.05 | 102.42 | 2.20 | 59 |
| 11 | 03/12/2025 | 03:55:33 | 73.99, 110.29 | 77.58 | 03/12/2025 | 03:56:26 | 73.99, 110.27 | 77.57 | 0.65 | 53 |
| 12 | 03/12/2025 | 04:46:17 | -73.99, -82.38 | 102.44 | 03/12/2025 | 04:47:08 | -73.99, -82.41 | 102.46 | 1.08 | 51 |
| 13 | 03/12/2025 | 05:37:03 | 74.00, 84.91 | 77.56 | 03/12/2025 | 05:37:48 | 73.98, 84.91 | 77.53 | 1.98 | 45 |
| 14 | 03/12/2025 | 06:27:47 | -74.00,-107.77 | 102.46 | 03/12/2025 | 06:28:30 | -73.98,-107.78 | 102.49 | 2.16 | 43 |
| 15 | 03/12/2025 | 07:18:32 | 73.96, 59.64 | 77.48 | 03/12/2025 | 07:19:10 | 73.97, 59.54 | 77.49 | 3.51 | 38 |
| 16 | 03/12/2025 | 08:09:16 | -73.95,-133.03 | 102.54 | 03/12/2025 | 08:09:52 | -73.97,-133.15 | 102.53 | 3.81 | 36 |
| 17 | 03/12/2025 | 09:00:02 | 73.96, 34.25 | 77.46 | 03/12/2025 | 09:00:32 | 73.96, 34.17 | 77.46 | 2.45 | 30 |
| 18 | 03/12/2025 | 09:50:46 | -73.96,-158.42 | 102.56 | 03/12/2025 | 09:51:14 | -73.96,-158.52 | 102.57 | 2.87 | 28 |
| 19 | 03/12/2025 | 10:41:32 | 73.97, 8.86 | 77.44 | 03/12/2025 | 10:41:54 | 73.95, 8.80 | 77.42 | 2.67 | 22 |
| 20 | 03/12/2025 | 11:32:16 | -73.96, 176.19 | 102.59 | 03/12/2025 | 11:32:36 | -73.94, 176.12 | 102.60 | 3.02 | 20 |
| 21 | 03/12/2025 | 12:23:02 | 73.97, -16.52 | 77.42 | 03/12/2025 | 12:23:15 | 73.99, -16.44 | 77.42 | 3.03 | 13 |
| 22 | 03/12/2025 | 13:13:46 | -73.97, 150.80 | 102.61 | 03/12/2025 | 13:13:57 | -73.98, 150.87 | 102.60 | 2.64 | 11 |
| 23 | 03/12/2025 | 14:04:32 | 73.98, -41.91 | 77.40 | 03/12/2025 | 14:04:37 | 73.98, -41.81 | 77.39 | 3.11 | 5 |
| 24 | 03/12/2025 | 14:55:16 | -73.97, 125.41 | 102.63 | 03/12/2025 | 14:55:19 | -73.97, 125.50 | 102.64 | 2.65 | 3 |
| 25 | 03/12/2025 | 15:46:01 | 73.93, -67.18 | 77.32 | 03/12/2025 | 15:45:59 | 73.97, -67.18 | 77.35 | 3.59 | 2 |
| 26 | 03/12/2025 | 16:36:45 | -73.93, 100.15 | 102.71 | 03/12/2025 | 16:36:41 | -73.96, 100.13 | 102.67 | 3.58 | 4 |
| 27 | 03/12/2025 | 17:27:31 | 73.94, -92.57 | 77.30 | 03/12/2025 | 17:27:21 | 73.96, -92.55 | 77.31 | 1.88 | 10 |
| 28 | 03/12/2025 | 18:18:15 | -73.94, 74.76 | 102.73 | 03/12/2025 | 18:18:03 | -73.95, 74.77 | 102.71 | 1.76 | 12 |
| 29 | 03/12/2025 | 19:09:01 | 73.95,-117.96 | 77.27 | 03/12/2025 | 19:08:43 | 73.95,-117.91 | 77.28 | 1.31 | 18 |
| 30 | 03/12/2025 | 19:59:44 | -73.94, 49.37 | 102.75 | 03/12/2025 | 19:59:24 | -73.94, 49.40 | 102.75 | 0.84 | 20 |
| 31 | 03/12/2025 | 20:50:30 | 73.95,-143.34 | 77.25 | 03/12/2025 | 20:50:04 | 73.93,-143.28 | 77.24 | 2.72 | 26 |
| 32 | 03/12/2025 | 21:41:14 | -73.95, 23.98 | 102.77 | 03/12/2025 | 21:40:46 | -73.93, 24.03 | 102.78 | 2.36 | 28 |
| 33 | 03/12/2025 | 22:31:59 | 73.91,-168.61 | 77.18 | 03/12/2025 | 22:31:26 | 73.92,-168.65 | 77.20 | 2.08 | 33 |
| 34 | 03/12/2025 | 23:22:43 | -73.90, -1.28 | 102.85 | 03/12/2025 | 23:22:08 | -73.92, -1.34 | 102.82 | 2.41 | 35 |
| 35 | 03/13/2025 | 00:13:29 | 73.91, 166.00 | 77.15 | 03/13/2025 | 00:12:48 | 73.91, 165.98 | 77.16 | 0.50 | 41 |
| 36 | 03/13/2025 | 01:04:13 | -73.91, -26.67 | 102.87 | 03/13/2025 | 01:03:30 | -73.91, -26.70 | 102.86 | 0.97 | 43 |
| 37 | 03/13/2025 | 01:54:59 | 73.92, 140.61 | 77.13 | 03/13/2025 | 01:54:10 | 73.90, 140.62 | 77.13 | 1.94 | 49 |
| 38 | 03/13/2025 | 02:45:43 | -73.91, -52.06 | 102.89 | 03/13/2025 | 02:44:52 | -73.90, -52.07 | 102.90 | 1.85 | 51 |
| 39 | 03/13/2025 | 03:36:28 | 73.88, 115.34 | 77.05 | 03/13/2025 | 03:35:32 | 73.89, 115.25 | 77.09 | 3.39 | 56 |
| 40 | 03/13/2025 | 04:27:13 | -73.92, -77.45 | 102.92 | 03/13/2025 | 04:26:14 | -73.89, -77.44 | 102.93 | 3.64 | 59 |
| 41 | 03/13/2025 | 05:17:58 | 73.88, 89.95 | 77.03 | 03/13/2025 | 05:16:54 | 73.88, 89.88 | 77.05 | 2.28 | 64 |
| 42 | 03/13/2025 | 06:08:42 | -73.87,-102.72 | 102.99 | 03/13/2025 | 06:07:36 | -73.88,-102.80 | 102.97 | 2.77 | 66 |
| 43 | 03/13/2025 | 06:59:28 | 73.89, 64.57 | 77.01 | 03/13/2025 | 06:58:16 | 73.87, 64.51 | 77.02 | 2.56 | 72 |
| 44 | 03/13/2025 | 07:50:12 | -73.88,-128.10 | 103.02 | 03/13/2025 | 07:48:58 | -73.86,-128.17 | 103.01 | 2.79 | 74 |
| 45 | 03/13/2025 | 08:40:54 | 73.69, 39.65 | 76.77 | 03/13/2025 | 08:39:42 | 73.66, 38.68 | 76.81 | 30.60 | 72 |
| 46 | 03/13/2025 | 09:31:36 | -73.59,-152.79 | 103.37 | 03/13/2025 | 09:30:25 | -73.60,-154.12 | 103.25 | 41.74 | 71 |
| 47 | 03/13/2025 | 10:22:17 | 73.35, 15.07 | 76.35 | 03/13/2025 | 10:21:09 | 73.40, 12.75 | 76.57 | 73.94 | 68 |
| 48 | 03/13/2025 | 11:13:00 | -73.30,-177.50 | 103.73 | 03/13/2025 | 11:11:53 | -73.29, 179.85 | 103.53 | 84.92 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 3/4/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 03/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B