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: 7/12/2025
| 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 | 70.35, -34.98 | 49.45 | 07/18/2025 | 14:02:29 | 70.35, -36.59 | 49.54 | 60.35 | 70 |
| 2 | 07/18/2025 | 14:54:31 | -70.78, 131.66 | 130.10 | 07/18/2025 | 14:53:17 | -70.79, 131.42 | 130.05 | 8.92 | 74 |
| 3 | 07/18/2025 | 15:45:19 | 70.88, -61.21 | 50.03 | 07/18/2025 | 15:44:15 | 70.88, -61.17 | 50.04 | 1.37 | 64 |
| 4 | 07/18/2025 | 16:36:03 | -70.88, 106.10 | 129.97 | 07/18/2025 | 16:35:12 | -70.86, 106.06 | 129.98 | 2.89 | 51 |
| 5 | 07/18/2025 | 17:26:49 | 70.89, -86.59 | 50.05 | 07/18/2025 | 17:26:11 | 70.90, -86.62 | 50.07 | 2.13 | 38 |
| 6 | 07/18/2025 | 18:17:34 | -70.94, 80.64 | 129.89 | 07/18/2025 | 18:17:07 | -70.93, 80.70 | 129.90 | 2.35 | 27 |
| 7 | 07/18/2025 | 19:08:20 | 70.94,-112.06 | 50.12 | 07/18/2025 | 19:08:07 | 70.92,-112.07 | 50.10 | 2.20 | 13 |
| 8 | 07/18/2025 | 19:59:04 | -70.94, 55.26 | 129.88 | 07/18/2025 | 19:59:03 | -70.95, 55.25 | 129.87 | 1.09 | 1 |
| 9 | 07/18/2025 | 20:49:50 | 70.95,-137.44 | 50.14 | 07/18/2025 | 20:50:03 | 70.94,-137.52 | 50.13 | 2.74 | 13 |
| 10 | 07/18/2025 | 21:40:35 | -71.00, 29.79 | 129.80 | 07/18/2025 | 21:40:59 | -70.97, 29.80 | 129.84 | 3.03 | 24 |
| 11 | 07/18/2025 | 22:31:21 | 71.00,-162.91 | 50.21 | 07/18/2025 | 22:31:58 | 71.02,-162.87 | 50.21 | 1.87 | 37 |
| 12 | 07/18/2025 | 23:22:05 | -71.00, 4.40 | 129.79 | 07/18/2025 | 23:22:55 | -70.99, 4.35 | 129.81 | 2.34 | 50 |
| 13 | 07/19/2025 | 00:12:51 | 71.01, 171.71 | 50.23 | 07/19/2025 | 00:13:54 | 71.04, 171.68 | 50.24 | 3.27 | 63 |
| 14 | 07/19/2025 | 01:03:36 | -71.06, -21.06 | 129.72 | 07/19/2025 | 01:04:50 | -71.06, -21.01 | 129.73 | 2.07 | 74 |
| 15 | 07/19/2025 | 01:54:32 | 71.58, 145.33 | 50.86 | 07/19/2025 | 01:55:41 | 71.52, 147.06 | 50.70 | 61.60 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/12/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19