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: 6/20/2025
| 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 | 74.83, -36.33 | 51.83 | 06/23/2025 | 13:34:22 | 74.81, -33.63 | 51.62 | 78.87 | 67 |
| 2 | 06/23/2025 | 14:23:58 | -74.80, 131.07 | 128.21 | 06/23/2025 | 14:25:06 | -74.72, 133.44 | 128.47 | 69.98 | 68 |
| 3 | 06/23/2025 | 15:14:39 | 74.54, -60.93 | 51.50 | 06/23/2025 | 15:15:50 | 74.51, -59.78 | 51.36 | 34.25 | 71 |
| 4 | 06/23/2025 | 16:05:21 | -74.47, 106.60 | 128.60 | 06/23/2025 | 16:06:34 | -74.41, 107.30 | 128.72 | 21.85 | 73 |
| 5 | 06/23/2025 | 16:56:04 | 74.30, -85.67 | 51.22 | 06/23/2025 | 16:57:16 | 74.30, -85.66 | 51.19 | 0.98 | 72 |
| 6 | 06/23/2025 | 17:46:47 | -74.28, 81.72 | 128.81 | 06/23/2025 | 17:47:58 | -74.30, 81.67 | 128.81 | 2.79 | 71 |
| 7 | 06/23/2025 | 18:37:34 | 74.31,-111.05 | 51.23 | 06/23/2025 | 18:38:38 | 74.28,-111.04 | 51.18 | 2.92 | 64 |
| 8 | 06/23/2025 | 19:28:17 | -74.28, 56.34 | 128.81 | 06/23/2025 | 19:29:20 | -74.28, 56.29 | 128.82 | 1.36 | 63 |
| 9 | 06/23/2025 | 20:19:03 | 74.26,-136.31 | 51.18 | 06/23/2025 | 20:20:00 | 74.27,-136.41 | 51.17 | 3.18 | 57 |
| 10 | 06/23/2025 | 21:09:46 | -74.28, 30.95 | 128.80 | 06/23/2025 | 21:10:41 | -74.27, 30.92 | 128.83 | 1.86 | 55 |
| 11 | 06/23/2025 | 22:00:32 | 74.26,-161.69 | 51.18 | 06/23/2025 | 22:01:21 | 74.25,-161.79 | 51.16 | 3.26 | 49 |
| 12 | 06/23/2025 | 22:51:16 | -74.29, 5.57 | 128.80 | 06/23/2025 | 22:52:02 | -74.30, 5.66 | 128.80 | 3.41 | 46 |
| 13 | 06/23/2025 | 23:42:02 | 74.27, 172.92 | 51.19 | 06/23/2025 | 23:42:42 | 74.29, 172.95 | 51.19 | 2.34 | 40 |
| 14 | 06/24/2025 | 00:32:46 | -74.29, -19.81 | 128.79 | 06/24/2025 | 00:33:24 | -74.29, -19.72 | 128.81 | 2.87 | 38 |
| 15 | 06/24/2025 | 01:23:32 | 74.27, 147.54 | 51.19 | 06/24/2025 | 01:24:04 | 74.27, 147.58 | 51.18 | 1.08 | 32 |
| 16 | 06/24/2025 | 02:14:16 | -74.29, -45.19 | 128.79 | 06/24/2025 | 02:14:46 | -74.28, -45.09 | 128.82 | 3.54 | 30 |
| 17 | 06/24/2025 | 03:05:02 | 74.27, 122.16 | 51.20 | 06/24/2025 | 03:05:26 | 74.26, 122.20 | 51.17 | 2.16 | 24 |
| 18 | 06/24/2025 | 03:55:45 | -74.25, -70.45 | 128.84 | 06/24/2025 | 03:56:08 | -74.26, -70.47 | 128.83 | 1.74 | 23 |
| 19 | 06/24/2025 | 04:46:31 | 74.23, 96.90 | 51.15 | 06/24/2025 | 04:46:48 | 74.24, 96.82 | 51.16 | 2.93 | 17 |
| 20 | 06/24/2025 | 05:37:15 | -74.25, -95.83 | 128.83 | 06/24/2025 | 05:37:30 | -74.25, -95.85 | 128.84 | 0.52 | 15 |
| 21 | 06/24/2025 | 06:28:01 | 74.23, 71.52 | 51.15 | 06/24/2025 | 06:28:10 | 74.23, 71.44 | 51.15 | 2.25 | 9 |
| 22 | 06/24/2025 | 07:18:45 | -74.25,-121.22 | 128.83 | 06/24/2025 | 07:18:52 | -74.23,-121.23 | 128.85 | 2.26 | 7 |
| 23 | 06/24/2025 | 08:09:31 | 74.24, 46.13 | 51.16 | 06/24/2025 | 08:09:32 | 74.21, 46.07 | 51.14 | 3.06 | 1 |
| 24 | 06/24/2025 | 09:00:15 | -74.26,-146.60 | 128.82 | 06/24/2025 | 09:00:13 | -74.27,-146.48 | 128.82 | 3.80 | 2 |
| 25 | 06/24/2025 | 09:51:01 | 74.24, 20.75 | 51.16 | 06/24/2025 | 09:50:53 | 74.25, 20.81 | 51.17 | 2.21 | 8 |
| 26 | 06/24/2025 | 10:41:44 | -74.21,-171.86 | 128.87 | 06/24/2025 | 10:41:36 | -74.20,-171.98 | 128.87 | 3.78 | 8 |
| 27 | 06/24/2025 | 11:32:31 | 74.24, -4.63 | 51.17 | 06/24/2025 | 11:32:15 | 74.24, -4.57 | 51.16 | 2.08 | 16 |
| 28 | 06/24/2025 | 12:23:14 | -74.21, 162.76 | 128.87 | 06/24/2025 | 12:22:57 | -74.24, 162.77 | 128.84 | 2.81 | 17 |
| 29 | 06/24/2025 | 13:14:00 | 74.20, -29.89 | 51.12 | 06/24/2025 | 13:13:37 | 74.22, -29.94 | 51.15 | 3.23 | 23 |
| 30 | 06/24/2025 | 14:04:44 | -74.22, 137.38 | 128.86 | 06/24/2025 | 14:04:19 | -74.22, 137.39 | 128.85 | 0.91 | 25 |
| 31 | 06/24/2025 | 14:55:30 | 74.20, -55.27 | 51.12 | 06/24/2025 | 14:54:59 | 74.21, -55.32 | 51.14 | 1.68 | 31 |
| 32 | 06/24/2025 | 15:46:14 | -74.22, 112.00 | 128.86 | 06/24/2025 | 15:45:41 | -74.21, 112.01 | 128.86 | 1.18 | 33 |
| 33 | 06/24/2025 | 16:37:00 | 74.20, -80.65 | 51.13 | 06/24/2025 | 16:36:21 | 74.19, -80.70 | 51.13 | 1.77 | 39 |
| 34 | 06/24/2025 | 17:27:44 | -74.22, 86.61 | 128.85 | 06/24/2025 | 17:27:03 | -74.19, 86.63 | 128.87 | 3.10 | 41 |
| 35 | 06/24/2025 | 18:18:30 | 74.21,-106.04 | 51.13 | 06/24/2025 | 18:17:43 | 74.18,-106.08 | 51.12 | 3.36 | 47 |
| 36 | 06/24/2025 | 19:09:13 | -74.18, 61.35 | 128.90 | 06/24/2025 | 19:08:25 | -74.18, 61.26 | 128.88 | 3.01 | 48 |
| 37 | 06/24/2025 | 20:00:00 | 74.21,-131.42 | 51.14 | 06/24/2025 | 19:59:04 | 74.21,-131.33 | 51.15 | 2.73 | 56 |
| 38 | 06/24/2025 | 20:50:43 | -74.18, 35.97 | 128.90 | 06/24/2025 | 20:49:47 | -74.17, 35.88 | 128.89 | 3.20 | 56 |
| 39 | 06/24/2025 | 21:41:30 | 74.21,-156.80 | 51.15 | 06/24/2025 | 21:40:26 | 74.20,-156.71 | 51.14 | 3.30 | 64 |
| 40 | 06/24/2025 | 22:32:13 | -74.18, 10.59 | 128.89 | 06/24/2025 | 22:31:08 | -74.20, 10.62 | 128.86 | 2.25 | 65 |
| 41 | 06/24/2025 | 23:22:59 | 74.17, 177.94 | 51.10 | 06/24/2025 | 23:21:48 | 74.18, 177.91 | 51.13 | 1.99 | 71 |
| 42 | 06/25/2025 | 00:13:43 | -74.19, -14.79 | 128.89 | 06/25/2025 | 00:12:30 | -74.19, -14.75 | 128.87 | 1.18 | 73 |
| 43 | 06/25/2025 | 01:04:26 | 74.02, 152.92 | 50.93 | 06/25/2025 | 01:03:13 | 74.02, 152.18 | 51.00 | 22.91 | 73 |
| 44 | 06/25/2025 | 01:55:08 | -73.94, -39.57 | 129.16 | 06/25/2025 | 01:53:56 | -73.97, -40.61 | 129.04 | 32.25 | 72 |
| 45 | 06/25/2025 | 02:45:49 | 73.68, 128.38 | 50.55 | 06/25/2025 | 02:44:41 | 73.71, 126.09 | 50.76 | 71.30 | 68 |
| 46 | 06/25/2025 | 03:36:32 | -73.65, -64.24 | 129.49 | 06/25/2025 | 03:35:24 | -73.66, -66.68 | 129.28 | 76.47 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/20/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B