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: 6/11/2025
| 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 | 06/23/2025 | 07:38:01 | -74.94,-127.81 | 128.06 | 06/23/2025 | 07:39:07 | -74.87,-124.67 | 128.35 | 91.27 | 66 |
| 2 | 06/23/2025 | 08:28:42 | 74.69, 40.18 | 51.66 | 06/23/2025 | 08:29:51 | 74.64, 42.06 | 51.47 | 55.46 | 69 |
| 3 | 06/23/2025 | 09:19:24 | -74.60,-152.27 | 128.45 | 06/23/2025 | 09:20:35 | -74.55,-150.85 | 128.61 | 42.27 | 71 |
| 4 | 06/23/2025 | 10:10:06 | 74.40, 15.58 | 51.33 | 06/23/2025 | 10:11:19 | 74.33, 15.90 | 51.21 | 12.86 | 73 |
| 5 | 06/23/2025 | 11:00:48 | -74.32,-176.89 | 128.78 | 06/23/2025 | 11:02:02 | -74.29,-176.87 | 128.83 | 3.31 | 74 |
| 6 | 06/23/2025 | 11:51:34 | 74.31, -9.55 | 51.22 | 06/23/2025 | 11:52:41 | 74.30, -9.50 | 51.19 | 1.75 | 67 |
| 7 | 06/23/2025 | 12:42:18 | -74.32, 157.73 | 128.77 | 06/23/2025 | 12:43:23 | -74.31, 157.85 | 128.80 | 3.61 | 65 |
| 8 | 06/23/2025 | 13:33:03 | 74.26, -34.81 | 51.17 | 06/23/2025 | 13:34:03 | 74.28, -34.90 | 51.18 | 3.31 | 60 |
| 9 | 06/23/2025 | 14:23:47 | -74.27, 132.48 | 128.82 | 06/23/2025 | 14:24:45 | -74.29, 132.45 | 128.82 | 1.97 | 58 |
| 10 | 06/23/2025 | 15:14:33 | 74.26, -60.19 | 51.17 | 06/23/2025 | 15:15:25 | 74.26, -60.29 | 51.16 | 3.12 | 52 |
| 11 | 06/23/2025 | 16:05:17 | -74.28, 107.09 | 128.82 | 06/23/2025 | 16:06:07 | -74.27, 107.05 | 128.84 | 1.55 | 50 |
| 12 | 06/23/2025 | 16:56:03 | 74.27, -85.58 | 51.18 | 06/23/2025 | 16:56:46 | 74.28, -85.57 | 51.18 | 1.81 | 43 |
| 13 | 06/23/2025 | 17:46:47 | -74.28, 81.71 | 128.81 | 06/23/2025 | 17:47:28 | -74.29, 81.78 | 128.81 | 2.60 | 41 |
| 14 | 06/23/2025 | 18:37:33 | 74.27,-110.96 | 51.18 | 06/23/2025 | 18:38:08 | 74.26,-110.97 | 51.16 | 1.13 | 35 |
| 15 | 06/23/2025 | 19:28:17 | -74.28, 56.33 | 128.81 | 06/23/2025 | 19:28:50 | -74.27, 56.38 | 128.83 | 2.08 | 33 |
| 16 | 06/23/2025 | 20:19:03 | 74.27,-136.34 | 51.19 | 06/23/2025 | 20:19:29 | 74.29,-136.24 | 51.19 | 3.36 | 26 |
| 17 | 06/23/2025 | 21:09:46 | -74.24, 31.07 | 128.86 | 06/23/2025 | 21:10:12 | -74.25, 30.98 | 128.85 | 2.89 | 26 |
| 18 | 06/23/2025 | 22:00:33 | 74.28,-161.72 | 51.19 | 06/23/2025 | 22:00:51 | 74.26,-161.64 | 51.17 | 2.93 | 18 |
| 19 | 06/23/2025 | 22:51:16 | -74.24, 5.69 | 128.85 | 06/23/2025 | 22:51:34 | -74.22, 5.59 | 128.87 | 3.50 | 18 |
| 20 | 06/23/2025 | 23:42:02 | 74.23, 173.02 | 51.14 | 06/23/2025 | 23:42:13 | 74.24, 172.96 | 51.15 | 2.02 | 11 |
| 21 | 06/24/2025 | 00:32:46 | -74.24, -19.69 | 128.85 | 06/24/2025 | 00:32:55 | -74.25, -19.69 | 128.84 | 0.96 | 9 |
| 22 | 06/24/2025 | 01:23:32 | 74.23, 147.64 | 51.15 | 06/24/2025 | 01:23:35 | 74.22, 147.57 | 51.14 | 2.79 | 3 |
| 23 | 06/24/2025 | 02:14:16 | -74.24, -45.08 | 128.84 | 06/24/2025 | 02:14:17 | -74.23, -45.09 | 128.86 | 1.96 | 1 |
| 24 | 06/24/2025 | 03:05:02 | 74.24, 122.25 | 51.15 | 06/24/2025 | 03:04:56 | 74.24, 122.29 | 51.16 | 1.36 | 6 |
| 25 | 06/24/2025 | 03:55:46 | -74.25, -70.46 | 128.84 | 06/24/2025 | 03:55:38 | -74.25, -70.36 | 128.84 | 2.99 | 8 |
| 26 | 06/24/2025 | 04:46:32 | 74.24, 96.87 | 51.16 | 06/24/2025 | 04:46:18 | 74.22, 96.89 | 51.14 | 2.22 | 14 |
| 27 | 06/24/2025 | 05:37:16 | -74.25, -95.84 | 128.83 | 06/24/2025 | 05:37:00 | -74.23, -95.76 | 128.85 | 3.32 | 16 |
| 28 | 06/24/2025 | 06:28:01 | 74.19, 71.61 | 51.11 | 06/24/2025 | 06:27:40 | 74.20, 71.49 | 51.13 | 3.60 | 21 |
| 29 | 06/24/2025 | 07:18:45 | -74.20,-121.10 | 128.88 | 06/24/2025 | 07:18:22 | -74.21,-121.16 | 128.87 | 1.78 | 23 |
| 30 | 06/24/2025 | 08:09:31 | 74.20, 46.23 | 51.11 | 06/24/2025 | 08:09:01 | 74.22, 46.22 | 51.15 | 3.02 | 30 |
| 31 | 06/24/2025 | 09:00:15 | -74.21,-146.48 | 128.88 | 06/24/2025 | 08:59:43 | -74.23,-146.43 | 128.85 | 3.26 | 32 |
| 32 | 06/24/2025 | 09:51:01 | 74.20, 20.85 | 51.12 | 06/24/2025 | 09:50:23 | 74.20, 20.82 | 51.13 | 0.79 | 38 |
| 33 | 06/24/2025 | 10:41:45 | -74.21,-171.86 | 128.87 | 06/24/2025 | 10:41:05 | -74.21,-171.83 | 128.86 | 1.02 | 40 |
| 34 | 06/24/2025 | 11:32:31 | 74.20, -4.53 | 51.12 | 06/24/2025 | 11:31:45 | 74.18, -4.58 | 51.11 | 3.08 | 46 |
| 35 | 06/24/2025 | 12:23:15 | -74.21, 162.76 | 128.87 | 06/24/2025 | 12:22:27 | -74.19, 162.77 | 128.88 | 2.93 | 48 |
| 36 | 06/24/2025 | 13:14:01 | 74.21, -29.92 | 51.13 | 06/24/2025 | 13:13:06 | 74.20, -29.85 | 51.14 | 2.02 | 55 |
| 37 | 06/24/2025 | 14:04:44 | -74.17, 137.50 | 128.92 | 06/24/2025 | 14:03:49 | -74.16, 137.38 | 128.90 | 3.66 | 55 |
| 38 | 06/24/2025 | 14:55:29 | 74.16, -55.18 | 51.08 | 06/24/2025 | 14:54:27 | 74.18, -55.25 | 51.12 | 3.18 | 62 |
| 39 | 06/24/2025 | 15:46:13 | -74.17, 112.11 | 128.91 | 06/24/2025 | 15:45:09 | -74.19, 112.10 | 128.87 | 2.29 | 64 |
| 40 | 06/24/2025 | 16:36:59 | 74.16, -80.56 | 51.08 | 06/24/2025 | 16:35:49 | 74.16, -80.65 | 51.10 | 2.73 | 70 |
| 41 | 06/24/2025 | 17:27:43 | -74.17, 86.73 | 128.91 | 06/24/2025 | 17:26:31 | -74.17, 86.70 | 128.89 | 1.08 | 72 |
| 42 | 06/24/2025 | 18:18:26 | 74.02,-105.57 | 50.92 | 06/24/2025 | 18:17:13 | 74.04,-106.28 | 51.01 | 21.84 | 73 |
| 43 | 06/24/2025 | 19:09:09 | -73.98, 61.84 | 129.12 | 06/24/2025 | 19:07:56 | -74.00, 60.95 | 129.03 | 27.38 | 73 |
| 44 | 06/24/2025 | 19:59:50 | 73.73,-130.24 | 50.59 | 06/24/2025 | 19:58:41 | 73.71,-132.39 | 50.75 | 66.96 | 69 |
| 45 | 06/24/2025 | 20:50:32 | -73.64, 37.28 | 129.51 | 06/24/2025 | 20:49:24 | -73.68, 34.85 | 129.28 | 76.17 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/11/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B