Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/8/2025
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 11/08/2025 | 04:04:23 | 70.64, 115.23 | 87.16 | 11/08/2025 | 04:05:35 | 70.53, 115.73 | 87.06 | 22.09 | 72 |
| 2 | 11/08/2025 | 04:55:00 | -70.29, -76.89 | 93.18 | 11/08/2025 | 04:55:07 | -70.31, -76.96 | 93.16 | 3.25 | 7 |
| 3 | 11/08/2025 | 05:45:45 | 70.22, 90.52 | 86.77 | 11/08/2025 | 05:44:34 | 70.21, 90.54 | 86.75 | 1.63 | 71 |
| 4 | 11/10/2025 | 20:21:15 | 70.40,-128.61 | 87.68 | 11/10/2025 | 20:22:07 | 70.41,-128.57 | 87.69 | 2.00 | 52 |
| 5 | 11/10/2025 | 21:11:57 | -70.32, 38.84 | 92.40 | 11/10/2025 | 21:11:37 | -70.30, 38.91 | 92.41 | 3.05 | 20 |
| 6 | 11/10/2025 | 22:02:25 | 69.35,-152.40 | 86.66 | 11/10/2025 | 22:01:18 | 69.43,-154.67 | 86.72 | 89.38 | 67 |
| 7 | 11/13/2025 | 12:38:11 | 70.39, -12.81 | 88.39 | 11/13/2025 | 12:38:37 | 70.37, -12.75 | 88.37 | 3.10 | 26 |
| 8 | 11/13/2025 | 13:28:52 | -70.25, 154.73 | 91.74 | 11/13/2025 | 13:28:07 | -70.26, 154.73 | 91.73 | 1.15 | 45 |
| 9 | 11/16/2025 | 04:04:25 | -70.66, -64.78 | 90.66 | 11/16/2025 | 04:05:36 | -70.56, -64.22 | 90.76 | 23.12 | 71 |
| 10 | 11/16/2025 | 04:55:05 | 70.33, 103.06 | 89.02 | 11/16/2025 | 04:55:05 | 70.34, 103.10 | 89.03 | 1.90 | 0 |
| 11 | 11/16/2025 | 05:45:47 | -70.25, -89.49 | 91.06 | 11/16/2025 | 05:44:35 | -70.24, -89.42 | 91.07 | 2.61 | 72 |
| 12 | 11/18/2025 | 20:21:16 | -70.40, 51.42 | 90.28 | 11/18/2025 | 20:22:07 | -70.40, 51.42 | 90.28 | 0.81 | 51 |
| 13 | 11/18/2025 | 21:12:00 | 70.28,-141.08 | 89.61 | 11/18/2025 | 21:11:34 | 70.28,-141.11 | 89.61 | 0.93 | 26 |
| 14 | 11/18/2025 | 22:02:25 | -69.30, 27.70 | 91.36 | 11/18/2025 | 22:01:19 | -69.36, 25.24 | 91.31 | 96.75 | 66 |
| 15 | 11/21/2025 | 11:47:45 | 71.29, -1.59 | 91.21 | 11/21/2025 | 11:48:51 | 71.22, 0.94 | 91.15 | 90.76 | 66 |
| 16 | 11/21/2025 | 12:38:11 | -70.37, 167.26 | 89.71 | 11/21/2025 | 12:38:35 | -70.36, 167.25 | 89.72 | 0.90 | 24 |
| 17 | 11/21/2025 | 13:28:55 | 70.24, -25.24 | 90.18 | 11/21/2025 | 13:28:02 | 70.24, -25.27 | 90.18 | 1.31 | 53 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/8/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/08/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9