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: 6/21/2025
| 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 | 06/23/2025 | 13:33:15 | 74.87, -36.44 | 51.87 | 06/23/2025 | 13:34:21 | 74.83, -33.60 | 51.62 | 82.69 | 66 |
| 2 | 06/23/2025 | 14:23:57 | -74.79, 131.09 | 128.22 | 06/23/2025 | 14:25:05 | -74.73, 133.46 | 128.46 | 69.66 | 68 |
| 3 | 06/23/2025 | 15:14:38 | 74.53, -60.90 | 51.48 | 06/23/2025 | 15:15:49 | 74.52, -59.75 | 51.37 | 33.96 | 71 |
| 4 | 06/23/2025 | 16:05:20 | -74.46, 106.62 | 128.61 | 06/23/2025 | 16:06:33 | -74.42, 107.32 | 128.71 | 21.26 | 73 |
| 5 | 06/23/2025 | 16:56:03 | 74.29, -85.64 | 51.21 | 06/23/2025 | 16:57:15 | 74.31, -85.63 | 51.20 | 1.54 | 72 |
| 6 | 06/23/2025 | 17:46:47 | -74.32, 81.62 | 128.77 | 06/23/2025 | 17:47:57 | -74.31, 81.69 | 128.80 | 2.43 | 70 |
| 7 | 06/23/2025 | 18:37:33 | 74.30,-111.02 | 51.21 | 06/23/2025 | 18:38:37 | 74.29,-111.01 | 51.19 | 0.61 | 64 |
| 8 | 06/23/2025 | 19:28:16 | -74.27, 56.36 | 128.82 | 06/23/2025 | 19:29:19 | -74.29, 56.32 | 128.81 | 2.94 | 63 |
| 9 | 06/23/2025 | 20:19:03 | 74.30,-136.41 | 51.22 | 06/23/2025 | 20:19:59 | 74.28,-136.39 | 51.18 | 2.46 | 56 |
| 10 | 06/23/2025 | 21:09:46 | -74.27, 30.98 | 128.82 | 06/23/2025 | 21:10:41 | -74.28, 30.94 | 128.82 | 1.38 | 55 |
| 11 | 06/23/2025 | 22:00:32 | 74.25,-161.66 | 51.17 | 06/23/2025 | 22:01:21 | 74.26,-161.77 | 51.17 | 3.24 | 49 |
| 12 | 06/23/2025 | 22:51:16 | -74.28, 5.60 | 128.81 | 06/23/2025 | 22:52:03 | -74.26, 5.56 | 128.83 | 1.63 | 47 |
| 13 | 06/23/2025 | 23:42:02 | 74.26, 172.95 | 51.17 | 06/23/2025 | 23:42:43 | 74.25, 172.86 | 51.16 | 3.02 | 41 |
| 14 | 06/24/2025 | 00:32:46 | -74.28, -19.79 | 128.81 | 06/24/2025 | 00:33:25 | -74.25, -19.81 | 128.84 | 3.31 | 39 |
| 15 | 06/24/2025 | 01:23:32 | 74.26, 147.57 | 51.18 | 06/24/2025 | 01:24:04 | 74.28, 147.60 | 51.19 | 2.83 | 32 |
| 16 | 06/24/2025 | 02:14:16 | -74.28, -45.17 | 128.80 | 06/24/2025 | 02:14:46 | -74.28, -45.07 | 128.81 | 2.97 | 30 |
| 17 | 06/24/2025 | 03:05:02 | 74.26, 122.19 | 51.18 | 06/24/2025 | 03:05:26 | 74.27, 122.23 | 51.18 | 1.33 | 24 |
| 18 | 06/24/2025 | 03:55:46 | -74.28, -70.55 | 128.80 | 06/24/2025 | 03:56:08 | -74.27, -70.45 | 128.82 | 3.48 | 22 |
| 19 | 06/24/2025 | 04:46:32 | 74.27, 96.81 | 51.19 | 06/24/2025 | 04:46:48 | 74.25, 96.85 | 51.17 | 1.80 | 16 |
| 20 | 06/24/2025 | 05:37:15 | -74.24, -95.81 | 128.85 | 06/24/2025 | 05:37:30 | -74.26, -95.82 | 128.83 | 1.97 | 15 |
| 21 | 06/24/2025 | 06:28:01 | 74.22, 71.55 | 51.14 | 06/24/2025 | 06:28:10 | 74.24, 71.47 | 51.16 | 3.22 | 9 |
| 22 | 06/24/2025 | 07:18:45 | -74.24,-121.19 | 128.84 | 06/24/2025 | 07:18:52 | -74.24,-121.20 | 128.84 | 0.35 | 7 |
| 23 | 06/24/2025 | 08:09:31 | 74.22, 46.16 | 51.14 | 06/24/2025 | 08:09:32 | 74.23, 46.09 | 51.15 | 2.18 | 1 |
| 24 | 06/24/2025 | 09:00:15 | -74.24,-146.57 | 128.84 | 06/24/2025 | 09:00:14 | -74.23,-146.58 | 128.85 | 1.98 | 1 |
| 25 | 06/24/2025 | 09:51:01 | 74.23, 20.78 | 51.15 | 06/24/2025 | 09:50:54 | 74.21, 20.72 | 51.14 | 2.64 | 7 |
| 26 | 06/24/2025 | 10:41:45 | -74.25,-171.95 | 128.83 | 06/24/2025 | 10:41:36 | -74.21,-171.96 | 128.86 | 3.91 | 9 |
| 27 | 06/24/2025 | 11:32:31 | 74.23, -4.60 | 51.15 | 06/24/2025 | 11:32:15 | 74.25, -4.54 | 51.17 | 2.60 | 16 |
| 28 | 06/24/2025 | 12:23:14 | -74.20, 162.79 | 128.88 | 06/24/2025 | 12:22:58 | -74.20, 162.67 | 128.87 | 3.67 | 16 |
| 29 | 06/24/2025 | 13:14:01 | 74.23, -29.98 | 51.16 | 06/24/2025 | 13:13:37 | 74.23, -29.92 | 51.16 | 2.02 | 24 |
| 30 | 06/24/2025 | 14:04:44 | -74.20, 137.41 | 128.87 | 06/24/2025 | 14:04:19 | -74.23, 137.41 | 128.84 | 3.11 | 25 |
| 31 | 06/24/2025 | 14:55:31 | 74.24, -55.37 | 51.17 | 06/24/2025 | 14:54:59 | 74.22, -55.29 | 51.15 | 3.03 | 32 |
| 32 | 06/24/2025 | 15:46:14 | -74.21, 112.02 | 128.87 | 06/24/2025 | 15:45:41 | -74.22, 112.04 | 128.85 | 1.22 | 33 |
| 33 | 06/24/2025 | 16:37:00 | 74.19, -80.62 | 51.11 | 06/24/2025 | 16:36:21 | 74.20, -80.67 | 51.14 | 1.98 | 39 |
| 34 | 06/24/2025 | 17:27:44 | -74.21, 86.64 | 128.86 | 06/24/2025 | 17:27:03 | -74.20, 86.66 | 128.86 | 0.93 | 41 |
| 35 | 06/24/2025 | 18:18:30 | 74.19,-106.01 | 51.12 | 06/24/2025 | 18:17:43 | 74.19,-106.05 | 51.13 | 1.40 | 47 |
| 36 | 06/24/2025 | 19:09:14 | -74.21, 61.26 | 128.86 | 06/24/2025 | 19:08:25 | -74.19, 61.28 | 128.87 | 2.80 | 49 |
| 37 | 06/24/2025 | 20:00:00 | 74.20,-131.39 | 51.13 | 06/24/2025 | 19:59:05 | 74.17,-131.43 | 51.12 | 2.80 | 55 |
| 38 | 06/24/2025 | 20:50:43 | -74.17, 36.00 | 128.91 | 06/24/2025 | 20:49:47 | -74.17, 35.90 | 128.88 | 3.01 | 56 |
| 39 | 06/24/2025 | 21:41:30 | 74.20,-156.77 | 51.13 | 06/24/2025 | 21:40:26 | 74.21,-156.68 | 51.15 | 2.92 | 64 |
| 40 | 06/24/2025 | 22:32:13 | -74.17, 10.62 | 128.90 | 06/24/2025 | 22:31:09 | -74.16, 10.53 | 128.89 | 3.00 | 64 |
| 41 | 06/24/2025 | 23:23:00 | 74.20, 177.85 | 51.14 | 06/24/2025 | 23:21:48 | 74.19, 177.94 | 51.14 | 3.09 | 72 |
| 42 | 06/25/2025 | 00:13:43 | -74.17, -14.76 | 128.90 | 06/25/2025 | 00:12:30 | -74.20, -14.73 | 128.86 | 2.59 | 73 |
| 43 | 06/25/2025 | 01:04:26 | 74.01, 152.95 | 50.92 | 06/25/2025 | 01:03:13 | 74.03, 152.20 | 51.01 | 23.14 | 73 |
| 44 | 06/25/2025 | 01:55:09 | -73.98, -39.66 | 129.11 | 06/25/2025 | 01:53:56 | -73.98, -40.59 | 129.03 | 28.44 | 73 |
| 45 | 06/25/2025 | 02:45:50 | 73.72, 128.29 | 50.59 | 06/25/2025 | 02:44:41 | 73.72, 126.12 | 50.76 | 67.59 | 69 |
| 46 | 06/25/2025 | 03:36:32 | -73.64, -64.21 | 129.50 | 06/25/2025 | 03:35:24 | -73.67, -66.66 | 129.28 | 76.63 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/21/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B