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: 6/24/2025
| 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 | 06/24/2025 | 04:46:32 | 74.24, 96.86 | 51.16 | 06/24/2025 | 04:46:49 | 74.23, 96.79 | 51.15 | 2.83 | 17 |
| 2 | 06/24/2025 | 05:37:16 | -74.27, -95.88 | 128.81 | 06/24/2025 | 05:37:30 | -74.28, -95.77 | 128.82 | 3.39 | 14 |
| 3 | 06/24/2025 | 06:28:02 | 74.25, 71.48 | 51.17 | 06/24/2025 | 06:28:10 | 74.26, 71.53 | 51.18 | 2.50 | 8 |
| 4 | 06/24/2025 | 07:18:46 | -74.27,-121.26 | 128.81 | 06/24/2025 | 07:18:52 | -74.26,-121.15 | 128.83 | 3.55 | 6 |
| 5 | 06/24/2025 | 08:09:32 | 74.25, 46.10 | 51.17 | 06/24/2025 | 08:09:32 | 74.25, 46.15 | 51.17 | 1.63 | 0 |
| 6 | 06/24/2025 | 09:00:15 | -74.23,-146.52 | 128.86 | 06/24/2025 | 09:00:14 | -74.25,-146.53 | 128.84 | 2.50 | 1 |
| 7 | 06/24/2025 | 09:51:02 | 74.25, 20.72 | 51.18 | 06/24/2025 | 09:50:54 | 74.24, 20.78 | 51.16 | 2.61 | 8 |
| 8 | 06/24/2025 | 10:41:45 | -74.23,-171.90 | 128.85 | 06/24/2025 | 10:41:36 | -74.23,-171.90 | 128.85 | 0.55 | 9 |
| 9 | 06/24/2025 | 11:32:31 | 74.21, -4.54 | 51.13 | 06/24/2025 | 11:32:16 | 74.22, -4.60 | 51.15 | 2.41 | 15 |
| 10 | 06/24/2025 | 12:23:15 | -74.23, 162.71 | 128.85 | 06/24/2025 | 12:22:58 | -74.22, 162.72 | 128.85 | 1.40 | 17 |
| 11 | 06/24/2025 | 13:14:01 | 74.21, -29.92 | 51.13 | 06/24/2025 | 13:13:38 | 74.21, -29.98 | 51.14 | 1.71 | 23 |
| 12 | 06/24/2025 | 14:04:45 | -74.23, 137.33 | 128.84 | 06/24/2025 | 14:04:20 | -74.20, 137.34 | 128.86 | 3.34 | 25 |
| 13 | 06/24/2025 | 14:55:30 | 74.21, -55.31 | 51.14 | 06/24/2025 | 14:54:59 | 74.19, -55.36 | 51.13 | 2.80 | 31 |
| 14 | 06/24/2025 | 15:46:13 | -74.19, 112.07 | 128.89 | 06/24/2025 | 15:45:41 | -74.19, 111.96 | 128.87 | 3.33 | 32 |
| 15 | 06/24/2025 | 16:37:00 | 74.22, -80.69 | 51.14 | 06/24/2025 | 16:36:20 | 74.23, -80.61 | 51.16 | 2.63 | 40 |
| 16 | 06/24/2025 | 17:27:43 | -74.19, 86.69 | 128.89 | 06/24/2025 | 17:27:03 | -74.18, 86.59 | 128.88 | 3.64 | 40 |
| 17 | 06/24/2025 | 18:18:30 | 74.22,-106.07 | 51.15 | 06/24/2025 | 18:17:42 | 74.21,-105.99 | 51.15 | 2.64 | 48 |
| 18 | 06/24/2025 | 19:09:13 | -74.19, 61.31 | 128.88 | 06/24/2025 | 19:08:24 | -74.21, 61.33 | 128.85 | 1.87 | 49 |
| 19 | 06/24/2025 | 19:59:59 | 74.17,-131.33 | 51.10 | 06/24/2025 | 19:59:04 | 74.20,-131.37 | 51.14 | 2.89 | 55 |
| 20 | 06/24/2025 | 20:50:43 | -74.20, 35.93 | 128.88 | 06/24/2025 | 20:49:46 | -74.20, 35.95 | 128.86 | 0.85 | 57 |
| 21 | 06/24/2025 | 21:41:29 | 74.18,-156.71 | 51.11 | 06/24/2025 | 21:40:26 | 74.18,-156.74 | 51.13 | 1.16 | 63 |
| 22 | 06/24/2025 | 22:32:13 | -74.20, 10.55 | 128.87 | 06/24/2025 | 22:31:08 | -74.18, 10.58 | 128.87 | 2.36 | 65 |
| 23 | 06/24/2025 | 23:22:59 | 74.18, 177.90 | 51.11 | 06/24/2025 | 23:21:48 | 74.17, 177.88 | 51.12 | 1.47 | 71 |
| 24 | 06/25/2025 | 00:13:42 | -74.15, -14.71 | 128.92 | 06/25/2025 | 00:12:30 | -74.17, -14.80 | 128.88 | 2.92 | 72 |
| 25 | 06/25/2025 | 01:04:25 | 73.99, 153.01 | 50.89 | 06/25/2025 | 01:03:13 | 74.00, 152.14 | 50.99 | 26.79 | 72 |
| 26 | 06/25/2025 | 01:55:08 | -73.96, -39.61 | 129.14 | 06/25/2025 | 01:53:56 | -73.95, -40.65 | 129.05 | 32.13 | 72 |
| 27 | 06/25/2025 | 02:45:49 | 73.69, 128.34 | 50.56 | 06/25/2025 | 02:44:41 | 73.69, 126.06 | 50.74 | 71.28 | 68 |
| 28 | 06/25/2025 | 03:36:32 | -73.67, -64.28 | 129.46 | 06/25/2025 | 03:35:24 | -73.64, -66.73 | 129.30 | 76.57 | 68 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/24/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B