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: 7/17/2025
| 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 | 70.34, -34.95 | 49.44 | 07/18/2025 | 14:02:29 | 70.36, -36.56 | 49.55 | 60.15 | 70 |
| 2 | 07/18/2025 | 14:54:32 | -70.82, 131.59 | 130.05 | 07/18/2025 | 14:53:17 | -70.81, 131.44 | 130.04 | 5.48 | 75 |
| 3 | 07/18/2025 | 15:45:19 | 70.87, -61.18 | 50.01 | 07/18/2025 | 15:44:16 | 70.85, -61.23 | 50.01 | 2.48 | 63 |
| 4 | 07/18/2025 | 16:36:03 | -70.88, 106.12 | 129.98 | 07/18/2025 | 16:35:12 | -70.88, 106.08 | 129.96 | 1.37 | 51 |
| 5 | 07/18/2025 | 17:26:50 | 70.92, -86.65 | 50.09 | 07/18/2025 | 17:26:11 | 70.92, -86.59 | 50.09 | 2.41 | 39 |
| 6 | 07/18/2025 | 18:17:34 | -70.93, 80.65 | 129.90 | 07/18/2025 | 18:17:07 | -70.95, 80.72 | 129.88 | 3.19 | 27 |
| 7 | 07/18/2025 | 19:08:20 | 70.93,-112.03 | 50.10 | 07/18/2025 | 19:08:07 | 70.94,-112.03 | 50.12 | 1.60 | 13 |
| 8 | 07/18/2025 | 19:59:04 | -70.94, 55.27 | 129.89 | 07/18/2025 | 19:59:03 | -70.97, 55.27 | 129.85 | 3.61 | 1 |
| 9 | 07/18/2025 | 20:49:51 | 70.99,-137.50 | 50.18 | 07/18/2025 | 20:50:03 | 70.96,-137.48 | 50.15 | 2.54 | 12 |
| 10 | 07/18/2025 | 21:40:35 | -70.99, 29.80 | 129.81 | 07/18/2025 | 21:40:59 | -70.99, 29.83 | 129.82 | 0.95 | 24 |
| 11 | 07/18/2025 | 22:31:21 | 70.99,-162.89 | 50.19 | 07/18/2025 | 22:31:59 | 70.98,-162.93 | 50.18 | 1.74 | 38 |
| 12 | 07/18/2025 | 23:22:05 | -71.00, 4.42 | 129.80 | 07/18/2025 | 23:22:55 | -71.01, 4.38 | 129.79 | 2.06 | 50 |
| 13 | 07/19/2025 | 00:12:52 | 71.05, 171.64 | 50.27 | 07/19/2025 | 00:13:54 | 71.06, 171.71 | 50.26 | 2.67 | 62 |
| 14 | 07/19/2025 | 01:03:37 | -71.10, -21.14 | 129.67 | 07/19/2025 | 01:04:50 | -71.08, -20.98 | 129.71 | 6.26 | 73 |
| 15 | 07/19/2025 | 01:54:32 | 71.57, 145.35 | 50.84 | 07/19/2025 | 01:55:41 | 71.54, 147.10 | 50.72 | 61.58 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/17/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19