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: 11/28/2025
| 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 | 11/29/2025 | 11:47:55 | -70.66, 179.41 | 87.89 | 11/29/2025 | 11:49:06 | -70.59, 179.94 | 87.96 | 20.71 | 71 |
| 2 | 11/29/2025 | 12:38:36 | 70.35, -12.79 | 91.81 | 11/29/2025 | 12:38:36 | 70.33, -12.81 | 91.79 | 2.83 | 0 |
| 3 | 11/29/2025 | 13:29:17 | -70.24, 154.71 | 88.30 | 11/29/2025 | 13:28:06 | -70.21, 154.66 | 88.33 | 3.18 | 71 |
| 4 | 12/02/2025 | 04:04:52 | -70.42, -64.44 | 87.71 | 12/02/2025 | 04:05:39 | -70.39, -64.48 | 87.74 | 2.83 | 47 |
| 5 | 12/02/2025 | 04:55:37 | 70.32, 103.02 | 92.20 | 12/02/2025 | 04:55:06 | 70.29, 103.02 | 92.17 | 3.31 | 31 |
| 6 | 12/04/2025 | 19:31:21 | 71.03,-117.02 | 93.29 | 12/04/2025 | 19:32:30 | 70.88,-115.50 | 93.12 | 57.79 | 69 |
| 7 | 12/04/2025 | 20:21:52 | -70.39, 51.36 | 87.37 | 12/04/2025 | 20:22:07 | -70.39, 51.40 | 87.37 | 1.33 | 15 |
| 8 | 12/04/2025 | 21:12:37 | 70.30,-141.19 | 92.55 | 12/04/2025 | 21:11:34 | 70.28,-141.12 | 92.53 | 3.20 | 63 |
| 9 | 12/07/2025 | 11:48:11 | 70.44, -0.29 | 93.01 | 12/07/2025 | 11:49:06 | 70.46, -0.25 | 93.02 | 2.59 | 55 |
| 10 | 12/07/2025 | 12:38:52 | -70.32, 167.23 | 87.12 | 12/07/2025 | 12:38:37 | -70.30, 167.15 | 87.14 | 3.60 | 15 |
| 11 | 12/07/2025 | 13:29:23 | 69.49, -24.21 | 92.05 | 12/07/2025 | 13:28:16 | 69.53, -26.28 | 92.10 | 80.91 | 67 |
| 12 | 12/10/2025 | 04:05:11 | 70.39, 115.57 | 93.21 | 12/10/2025 | 04:05:35 | 70.40, 115.55 | 93.23 | 1.88 | 24 |
| 13 | 12/10/2025 | 04:55:53 | -70.31, -77.00 | 86.86 | 12/10/2025 | 04:55:05 | -70.30, -76.97 | 86.88 | 1.97 | 48 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/28/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/28/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9