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: 7/8/2025
| 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 | 70.36, -34.99 | 49.46 | 07/18/2025 | 14:02:29 | 70.35, -36.59 | 49.54 | 59.59 | 70 |
| 2 | 07/18/2025 | 14:54:32 | -70.83, 131.56 | 130.03 | 07/18/2025 | 14:53:17 | -70.80, 131.43 | 130.05 | 6.06 | 75 |
| 3 | 07/18/2025 | 15:45:19 | 70.89, -61.22 | 50.04 | 07/18/2025 | 15:44:15 | 70.89, -61.17 | 50.04 | 2.20 | 64 |
| 4 | 07/18/2025 | 16:36:03 | -70.89, 106.10 | 129.96 | 07/18/2025 | 16:35:12 | -70.87, 106.07 | 129.97 | 2.18 | 51 |
| 5 | 07/18/2025 | 17:26:49 | 70.90, -86.61 | 50.06 | 07/18/2025 | 17:26:11 | 70.91, -86.61 | 50.08 | 1.37 | 38 |
| 6 | 07/18/2025 | 18:17:34 | -70.94, 80.63 | 129.89 | 07/18/2025 | 18:17:07 | -70.94, 80.71 | 129.89 | 3.06 | 27 |
| 7 | 07/18/2025 | 19:08:20 | 70.95,-112.08 | 50.13 | 07/18/2025 | 19:08:07 | 70.93,-112.06 | 50.11 | 2.71 | 13 |
| 8 | 07/18/2025 | 19:59:04 | -70.95, 55.25 | 129.87 | 07/18/2025 | 19:59:03 | -70.96, 55.26 | 129.86 | 1.56 | 1 |
| 9 | 07/18/2025 | 20:49:50 | 70.96,-137.46 | 50.15 | 07/18/2025 | 20:50:03 | 70.95,-137.51 | 50.14 | 2.09 | 13 |
| 10 | 07/18/2025 | 21:40:35 | -71.00, 29.78 | 129.80 | 07/18/2025 | 21:40:59 | -70.98, 29.81 | 129.83 | 2.91 | 24 |
| 11 | 07/18/2025 | 22:31:21 | 71.01,-162.93 | 50.22 | 07/18/2025 | 22:31:58 | 71.02,-162.87 | 50.22 | 2.31 | 37 |
| 12 | 07/18/2025 | 23:22:05 | -71.01, 4.40 | 129.78 | 07/18/2025 | 23:22:55 | -71.00, 4.36 | 129.80 | 1.43 | 50 |
| 13 | 07/19/2025 | 00:12:51 | 71.02, 171.69 | 50.24 | 07/19/2025 | 00:13:54 | 71.04, 171.69 | 50.25 | 2.65 | 63 |
| 14 | 07/19/2025 | 01:03:36 | -71.06, -21.07 | 129.71 | 07/19/2025 | 01:04:50 | -71.07, -20.99 | 129.72 | 2.98 | 74 |
| 15 | 07/19/2025 | 01:54:32 | 71.59, 145.31 | 50.87 | 07/19/2025 | 01:55:41 | 71.52, 147.07 | 50.71 | 62.49 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/8/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19