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: 7/6/2025
| 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, -34.97 | 49.44 | 07/18/2025 | 14:02:29 | 70.37, -36.55 | 49.56 | 59.46 | 70 |
| 2 | 07/18/2025 | 14:54:32 | -70.81, 131.60 | 130.06 | 07/18/2025 | 14:53:17 | -70.82, 131.47 | 130.03 | 4.77 | 75 |
| 3 | 07/18/2025 | 15:45:19 | 70.87, -61.20 | 50.02 | 07/18/2025 | 15:44:16 | 70.85, -61.22 | 50.01 | 2.30 | 63 |
| 4 | 07/18/2025 | 16:36:03 | -70.87, 106.13 | 129.98 | 07/18/2025 | 16:35:12 | -70.89, 106.11 | 129.95 | 2.67 | 51 |
| 5 | 07/18/2025 | 17:26:50 | 70.93, -86.67 | 50.09 | 07/18/2025 | 17:26:11 | 70.93, -86.58 | 50.09 | 3.11 | 39 |
| 6 | 07/18/2025 | 18:17:34 | -70.93, 80.66 | 129.91 | 07/18/2025 | 18:17:08 | -70.91, 80.66 | 129.92 | 1.49 | 26 |
| 7 | 07/18/2025 | 19:08:20 | 70.93,-112.05 | 50.11 | 07/18/2025 | 19:08:07 | 70.95,-112.03 | 50.12 | 1.56 | 13 |
| 8 | 07/18/2025 | 19:59:04 | -70.93, 55.28 | 129.89 | 07/18/2025 | 19:59:04 | -70.93, 55.21 | 129.89 | 2.55 | 0 |
| 9 | 07/18/2025 | 20:49:51 | 70.99,-137.52 | 50.18 | 07/18/2025 | 20:50:03 | 70.97,-137.48 | 50.16 | 2.99 | 12 |
| 10 | 07/18/2025 | 21:40:35 | -70.99, 29.81 | 129.82 | 07/18/2025 | 21:40:59 | -71.00, 29.85 | 129.81 | 2.42 | 24 |
| 11 | 07/18/2025 | 22:31:21 | 71.00,-162.90 | 50.20 | 07/18/2025 | 22:31:59 | 70.99,-162.92 | 50.19 | 1.23 | 38 |
| 12 | 07/18/2025 | 23:22:06 | -71.04, 4.34 | 129.75 | 07/18/2025 | 23:22:55 | -71.02, 4.40 | 129.78 | 3.02 | 49 |
| 13 | 07/19/2025 | 00:12:52 | 71.05, 171.63 | 50.27 | 07/19/2025 | 00:13:54 | 71.06, 171.72 | 50.27 | 3.27 | 62 |
| 14 | 07/19/2025 | 01:03:37 | -71.10, -21.13 | 129.68 | 07/19/2025 | 01:04:50 | -71.09, -20.96 | 129.70 | 6.20 | 73 |
| 15 | 07/19/2025 | 01:54:32 | 71.58, 145.34 | 50.85 | 07/19/2025 | 01:55:41 | 71.54, 147.11 | 50.73 | 62.28 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/6/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19