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: 7/16/2025
| 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 | 49.47 | 07/18/2025 | 14:02:29 | 70.34, -36.60 | 49.53 | 60.16 | 70 |
| 2 | 07/18/2025 | 14:54:31 | -70.79, 131.63 | 130.08 | 07/18/2025 | 14:53:17 | -70.78, 131.40 | 130.06 | 8.53 | 74 |
| 3 | 07/18/2025 | 15:45:19 | 70.89, -61.23 | 50.04 | 07/18/2025 | 15:44:15 | 70.88, -61.18 | 50.04 | 2.39 | 64 |
| 4 | 07/18/2025 | 16:36:03 | -70.90, 106.08 | 129.95 | 07/18/2025 | 16:35:11 | -70.91, 106.13 | 129.94 | 1.95 | 52 |
| 5 | 07/18/2025 | 17:26:49 | 70.90, -86.61 | 50.06 | 07/18/2025 | 17:26:11 | 70.90, -86.63 | 50.07 | 0.80 | 38 |
| 6 | 07/18/2025 | 18:17:33 | -70.90, 80.70 | 129.93 | 07/18/2025 | 18:17:07 | -70.92, 80.68 | 129.91 | 2.43 | 26 |
| 7 | 07/18/2025 | 19:08:20 | 70.95,-112.08 | 50.13 | 07/18/2025 | 19:08:06 | 70.97,-111.99 | 50.15 | 3.67 | 14 |
| 8 | 07/18/2025 | 19:59:04 | -70.96, 55.23 | 129.86 | 07/18/2025 | 19:59:03 | -70.94, 55.23 | 129.88 | 1.69 | 1 |
| 9 | 07/18/2025 | 20:49:50 | 70.96,-137.46 | 50.15 | 07/18/2025 | 20:50:03 | 70.94,-137.53 | 50.13 | 3.27 | 13 |
| 10 | 07/18/2025 | 21:40:34 | -70.96, 29.85 | 129.84 | 07/18/2025 | 21:40:59 | -70.96, 29.78 | 129.84 | 2.38 | 25 |
| 11 | 07/18/2025 | 22:31:21 | 71.01,-162.93 | 50.22 | 07/18/2025 | 22:31:58 | 71.01,-162.88 | 50.21 | 1.68 | 37 |
| 12 | 07/18/2025 | 23:22:05 | -71.02, 4.38 | 129.77 | 07/18/2025 | 23:22:54 | -71.04, 4.42 | 129.77 | 2.36 | 49 |
| 13 | 07/19/2025 | 00:12:51 | 71.02, 171.69 | 50.24 | 07/19/2025 | 00:13:54 | 71.03, 171.67 | 50.24 | 1.54 | 63 |
| 14 | 07/19/2025 | 01:03:36 | -71.08, -21.09 | 129.70 | 07/19/2025 | 01:04:50 | -71.05, -21.02 | 129.74 | 3.30 | 74 |
| 15 | 07/19/2025 | 01:54:31 | 71.54, 145.40 | 50.81 | 07/19/2025 | 01:55:41 | 71.51, 147.05 | 50.70 | 58.34 | 70 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/16/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19