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: 11/11/2025
| 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 | 11/13/2025 | 12:38:10 | 70.34, -12.73 | 88.34 | 11/13/2025 | 12:38:37 | 70.36, -12.76 | 88.37 | 3.26 | 27 |
| 2 | 11/13/2025 | 13:28:52 | -70.26, 154.72 | 91.74 | 11/13/2025 | 13:28:07 | -70.25, 154.72 | 91.74 | 0.25 | 45 |
| 3 | 11/16/2025 | 04:04:24 | -70.62, -64.71 | 90.71 | 11/16/2025 | 04:05:36 | -70.55, -64.24 | 90.77 | 18.79 | 72 |
| 4 | 11/16/2025 | 04:55:05 | 70.34, 103.05 | 89.02 | 11/16/2025 | 04:55:05 | 70.33, 103.08 | 89.02 | 1.15 | 0 |
| 5 | 11/16/2025 | 05:45:46 | -70.20, -89.42 | 91.10 | 11/16/2025 | 05:44:35 | -70.23, -89.44 | 91.09 | 2.50 | 71 |
| 6 | 11/18/2025 | 20:21:16 | -70.42, 51.39 | 90.26 | 11/18/2025 | 20:22:06 | -70.43, 51.47 | 90.25 | 3.03 | 50 |
| 7 | 11/18/2025 | 21:12:00 | 70.30,-141.10 | 89.63 | 11/18/2025 | 21:11:33 | 70.32,-141.05 | 89.65 | 3.41 | 27 |
| 8 | 11/18/2025 | 22:02:25 | -69.32, 27.68 | 91.34 | 11/18/2025 | 22:01:18 | -69.39, 25.29 | 91.28 | 94.00 | 67 |
| 9 | 11/21/2025 | 11:47:45 | 71.31, -1.63 | 91.24 | 11/21/2025 | 11:48:51 | 71.20, 0.90 | 91.13 | 91.29 | 66 |
| 10 | 11/21/2025 | 12:38:11 | -70.39, 167.22 | 89.68 | 11/21/2025 | 12:38:34 | -70.39, 167.29 | 89.69 | 2.75 | 23 |
| 11 | 11/21/2025 | 13:28:55 | 70.27, -25.28 | 90.20 | 11/21/2025 | 13:28:01 | 70.27, -25.23 | 90.20 | 1.69 | 54 |
| 12 | 11/24/2025 | 04:04:24 | 70.46, 115.58 | 90.94 | 11/24/2025 | 04:05:31 | 70.46, 115.66 | 90.94 | 2.77 | 67 |
| 13 | 11/24/2025 | 04:55:05 | -70.33, -76.89 | 89.19 | 11/24/2025 | 04:55:02 | -70.30, -76.94 | 89.22 | 3.30 | 3 |
| 14 | 11/24/2025 | 05:45:44 | 69.94, 91.02 | 90.43 | 11/24/2025 | 05:44:32 | 70.02, 90.30 | 90.51 | 29.02 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9