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: 6/17/2025
| 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 | 13:33:15 | 74.86, -36.40 | 51.85 | 06/23/2025 | 13:34:22 | 74.79, -33.69 | 51.60 | 79.23 | 67 |
| 2 | 06/23/2025 | 14:23:57 | -74.77, 131.14 | 128.24 | 06/23/2025 | 14:25:05 | -74.75, 133.52 | 128.44 | 69.37 | 68 |
| 3 | 06/23/2025 | 15:14:39 | 74.57, -60.99 | 51.52 | 06/23/2025 | 15:15:50 | 74.48, -59.84 | 51.34 | 35.34 | 71 |
| 4 | 06/23/2025 | 16:05:21 | -74.49, 106.54 | 128.57 | 06/23/2025 | 16:06:33 | -74.44, 107.37 | 128.70 | 25.22 | 72 |
| 5 | 06/23/2025 | 16:56:03 | 74.28, -85.61 | 51.19 | 06/23/2025 | 16:57:16 | 74.27, -85.72 | 51.17 | 3.44 | 73 |
| 6 | 06/23/2025 | 17:46:47 | -74.30, 81.67 | 128.79 | 06/23/2025 | 17:47:58 | -74.28, 81.62 | 128.83 | 2.50 | 71 |
| 7 | 06/23/2025 | 18:37:33 | 74.28,-110.99 | 51.20 | 06/23/2025 | 18:38:37 | 74.31,-110.97 | 51.20 | 2.84 | 64 |
| 8 | 06/23/2025 | 19:28:17 | -74.30, 56.28 | 128.79 | 06/23/2025 | 19:29:19 | -74.31, 56.37 | 128.80 | 2.85 | 62 |
| 9 | 06/23/2025 | 20:19:03 | 74.29,-136.37 | 51.20 | 06/23/2025 | 20:19:59 | 74.29,-136.35 | 51.19 | 1.06 | 56 |
| 10 | 06/23/2025 | 21:09:47 | -74.30, 30.90 | 128.78 | 06/23/2025 | 21:10:41 | -74.30, 30.99 | 128.81 | 2.66 | 54 |
| 11 | 06/23/2025 | 22:00:33 | 74.29,-161.75 | 51.21 | 06/23/2025 | 22:01:21 | 74.28,-161.73 | 51.18 | 1.42 | 48 |
| 12 | 06/23/2025 | 22:51:16 | -74.26, 5.64 | 128.83 | 06/23/2025 | 22:52:03 | -74.28, 5.61 | 128.82 | 3.12 | 47 |
| 13 | 06/23/2025 | 23:42:03 | 74.29, 172.86 | 51.21 | 06/23/2025 | 23:42:43 | 74.26, 172.89 | 51.17 | 3.29 | 40 |
| 14 | 06/24/2025 | 00:32:46 | -74.26, -19.74 | 128.83 | 06/24/2025 | 00:33:25 | -74.27, -19.77 | 128.83 | 1.31 | 39 |
| 15 | 06/24/2025 | 01:23:32 | 74.25, 147.60 | 51.16 | 06/24/2025 | 01:24:05 | 74.25, 147.52 | 51.16 | 2.66 | 33 |
| 16 | 06/24/2025 | 02:14:16 | -74.26, -45.12 | 128.82 | 06/24/2025 | 02:14:47 | -74.25, -45.14 | 128.84 | 1.18 | 31 |
| 17 | 06/24/2025 | 03:05:02 | 74.25, 122.22 | 51.17 | 06/24/2025 | 03:05:27 | 74.23, 122.14 | 51.15 | 2.98 | 25 |
| 18 | 06/24/2025 | 03:55:46 | -74.27, -70.50 | 128.82 | 06/24/2025 | 03:56:09 | -74.24, -70.52 | 128.85 | 2.96 | 23 |
| 19 | 06/24/2025 | 04:46:32 | 74.25, 96.84 | 51.17 | 06/24/2025 | 04:46:48 | 74.27, 96.89 | 51.18 | 2.32 | 16 |
| 20 | 06/24/2025 | 05:37:16 | -74.27, -95.89 | 128.81 | 06/24/2025 | 05:37:30 | -74.28, -95.78 | 128.82 | 3.37 | 14 |
| 21 | 06/24/2025 | 06:28:02 | 74.26, 71.46 | 51.18 | 06/24/2025 | 06:28:10 | 74.25, 71.51 | 51.17 | 1.56 | 8 |
| 22 | 06/24/2025 | 07:18:46 | -74.27,-121.27 | 128.81 | 06/24/2025 | 07:18:52 | -74.26,-121.15 | 128.83 | 3.72 | 6 |
| 23 | 06/24/2025 | 08:09:32 | 74.26, 46.07 | 51.18 | 06/24/2025 | 08:09:32 | 74.24, 46.13 | 51.16 | 2.72 | 0 |
| 24 | 06/24/2025 | 09:00:15 | -74.23,-146.53 | 128.86 | 06/24/2025 | 09:00:14 | -74.25,-146.53 | 128.84 | 2.11 | 1 |
| 25 | 06/24/2025 | 09:51:01 | 74.21, 20.81 | 51.13 | 06/24/2025 | 09:50:54 | 74.23, 20.75 | 51.15 | 2.32 | 7 |
| 26 | 06/24/2025 | 10:41:45 | -74.23,-171.91 | 128.85 | 06/24/2025 | 10:41:36 | -74.23,-171.91 | 128.85 | 0.15 | 9 |
| 27 | 06/24/2025 | 11:32:31 | 74.22, -4.57 | 51.14 | 06/24/2025 | 11:32:16 | 74.21, -4.63 | 51.14 | 1.84 | 15 |
| 28 | 06/24/2025 | 12:23:15 | -74.23, 162.71 | 128.84 | 06/24/2025 | 12:22:58 | -74.22, 162.71 | 128.86 | 1.82 | 17 |
| 29 | 06/24/2025 | 13:14:01 | 74.22, -29.95 | 51.15 | 06/24/2025 | 13:13:38 | 74.20, -30.00 | 51.13 | 3.06 | 23 |
| 30 | 06/24/2025 | 14:04:44 | -74.19, 137.45 | 128.89 | 06/24/2025 | 14:04:20 | -74.20, 137.34 | 128.87 | 3.79 | 24 |
| 31 | 06/24/2025 | 14:55:31 | 74.22, -55.33 | 51.15 | 06/24/2025 | 14:54:59 | 74.23, -55.26 | 51.16 | 2.47 | 32 |
| 32 | 06/24/2025 | 15:46:14 | -74.19, 112.07 | 128.89 | 06/24/2025 | 15:45:42 | -74.19, 111.96 | 128.88 | 3.26 | 32 |
| 33 | 06/24/2025 | 16:37:01 | 74.23, -80.72 | 51.16 | 06/24/2025 | 16:36:21 | 74.22, -80.64 | 51.15 | 2.71 | 40 |
| 34 | 06/24/2025 | 17:27:44 | -74.19, 86.68 | 128.88 | 06/24/2025 | 17:27:03 | -74.22, 86.70 | 128.85 | 3.25 | 41 |
| 35 | 06/24/2025 | 18:18:30 | 74.18,-105.98 | 51.11 | 06/24/2025 | 18:17:43 | 74.20,-106.01 | 51.14 | 2.61 | 47 |
| 36 | 06/24/2025 | 19:09:13 | -74.20, 61.30 | 128.88 | 06/24/2025 | 19:08:24 | -74.21, 61.33 | 128.86 | 1.44 | 49 |
| 37 | 06/24/2025 | 19:59:59 | 74.18,-131.36 | 51.11 | 06/24/2025 | 19:59:04 | 74.19,-131.39 | 51.13 | 1.03 | 55 |
| 38 | 06/24/2025 | 20:50:43 | -74.20, 35.92 | 128.87 | 06/24/2025 | 20:49:46 | -74.19, 35.95 | 128.86 | 1.18 | 57 |
| 39 | 06/24/2025 | 21:41:29 | 74.19,-156.74 | 51.12 | 06/24/2025 | 21:40:26 | 74.17,-156.77 | 51.12 | 1.82 | 63 |
| 40 | 06/24/2025 | 22:32:13 | -74.20, 10.54 | 128.87 | 06/24/2025 | 22:31:08 | -74.18, 10.57 | 128.87 | 2.92 | 65 |
| 41 | 06/24/2025 | 23:22:59 | 74.19, 177.88 | 51.12 | 06/24/2025 | 23:21:47 | 74.21, 177.98 | 51.15 | 3.59 | 72 |
| 42 | 06/25/2025 | 00:13:42 | -74.16, -14.72 | 128.92 | 06/25/2025 | 00:12:30 | -74.16, -14.81 | 128.88 | 2.61 | 72 |
| 43 | 06/25/2025 | 01:04:25 | 74.00, 152.98 | 50.91 | 06/25/2025 | 01:03:13 | 73.99, 152.12 | 50.98 | 26.58 | 72 |
| 44 | 06/25/2025 | 01:55:08 | -73.96, -39.62 | 129.13 | 06/25/2025 | 01:53:56 | -73.95, -40.66 | 129.05 | 32.05 | 72 |
| 45 | 06/25/2025 | 02:45:49 | 73.70, 128.32 | 50.58 | 06/25/2025 | 02:44:41 | 73.68, 126.04 | 50.74 | 71.19 | 68 |
| 46 | 06/25/2025 | 03:36:32 | -73.67, -64.29 | 129.46 | 06/25/2025 | 03:35:24 | -73.64, -66.73 | 129.30 | 76.49 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/17/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B