Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/13/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 07/18/2025 | 14:03:39 | 70.33, -34.94 | 49.43 | 07/18/2025 | 14:02:29 | 70.37, -36.56 | 49.56 | 60.44 | 70 |
| 2 | 07/18/2025 | 14:54:32 | -70.81, 131.61 | 130.06 | 07/18/2025 | 14:53:17 | -70.81, 131.46 | 130.03 | 5.55 | 75 |
| 3 | 07/18/2025 | 15:45:19 | 70.86, -61.17 | 50.01 | 07/18/2025 | 15:44:16 | 70.85, -61.22 | 50.01 | 2.01 | 63 |
| 4 | 07/18/2025 | 16:36:03 | -70.86, 106.14 | 129.99 | 07/18/2025 | 16:35:12 | -70.88, 106.10 | 129.96 | 2.79 | 51 |
| 5 | 07/18/2025 | 17:26:50 | 70.92, -86.64 | 50.08 | 07/18/2025 | 17:26:11 | 70.93, -86.58 | 50.09 | 2.34 | 39 |
| 6 | 07/18/2025 | 18:17:34 | -70.92, 80.67 | 129.92 | 07/18/2025 | 18:17:08 | -70.90, 80.65 | 129.93 | 2.00 | 26 |
| 7 | 07/18/2025 | 19:08:20 | 70.92,-112.02 | 50.10 | 07/18/2025 | 19:08:07 | 70.95,-112.03 | 50.12 | 2.69 | 13 |
| 8 | 07/18/2025 | 19:59:05 | -70.98, 55.20 | 129.84 | 07/18/2025 | 19:59:03 | -70.97, 55.29 | 129.85 | 3.03 | 2 |
| 9 | 07/18/2025 | 20:49:51 | 70.98,-137.49 | 50.17 | 07/18/2025 | 20:50:03 | 70.97,-137.48 | 50.15 | 1.45 | 12 |
| 10 | 07/18/2025 | 21:40:34 | -70.98, 29.82 | 129.83 | 07/18/2025 | 21:40:58 | -70.99, 29.84 | 129.82 | 1.72 | 24 |
| 11 | 07/18/2025 | 22:31:20 | 70.98,-162.87 | 50.19 | 07/18/2025 | 22:31:58 | 70.99,-162.93 | 50.19 | 1.94 | 38 |
| 12 | 07/18/2025 | 23:22:05 | -71.04, 4.35 | 129.75 | 07/18/2025 | 23:22:54 | -71.01, 4.39 | 129.79 | 2.75 | 49 |
| 13 | 07/19/2025 | 00:12:51 | 71.04, 171.66 | 50.26 | 07/19/2025 | 00:13:53 | 71.06, 171.72 | 50.26 | 3.04 | 62 |
| 14 | 07/19/2025 | 01:03:36 | -71.09, -21.12 | 129.68 | 07/19/2025 | 01:04:49 | -71.08, -20.97 | 129.71 | 5.35 | 73 |
| 15 | 07/19/2025 | 01:54:31 | 71.56, 145.37 | 50.84 | 07/19/2025 | 01:55:40 | 71.54, 147.10 | 50.72 | 61.24 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/13/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19