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: 11/15/2025
| 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 | 11/16/2025 | 04:04:24 | -70.63, -64.73 | 90.70 | 11/16/2025 | 04:05:35 | -70.54, -64.25 | 90.78 | 20.08 | 71 |
| 2 | 11/16/2025 | 04:55:05 | 70.34, 103.04 | 89.03 | 11/16/2025 | 04:55:04 | 70.33, 103.08 | 89.02 | 1.94 | 1 |
| 3 | 11/16/2025 | 05:45:46 | -70.22, -89.44 | 91.09 | 11/16/2025 | 05:44:34 | -70.22, -89.45 | 91.09 | 0.47 | 72 |
| 4 | 11/18/2025 | 20:21:15 | -70.39, 51.45 | 90.30 | 11/18/2025 | 20:22:05 | -70.38, 51.40 | 90.30 | 1.84 | 50 |
| 5 | 11/18/2025 | 21:12:00 | 70.31,-141.12 | 89.64 | 11/18/2025 | 21:11:32 | 70.28,-141.11 | 89.61 | 3.40 | 28 |
| 6 | 11/21/2025 | 11:47:43 | 71.22, -1.47 | 91.15 | 11/21/2025 | 11:48:50 | 71.10, 0.76 | 91.03 | 81.15 | 67 |
| 7 | 11/21/2025 | 12:38:10 | -70.36, 167.27 | 89.72 | 11/21/2025 | 12:38:32 | -70.34, 167.23 | 89.74 | 3.23 | 22 |
| 8 | 11/21/2025 | 13:28:54 | 70.23, -25.22 | 90.17 | 11/21/2025 | 13:27:59 | 70.23, -25.29 | 90.16 | 2.70 | 55 |
| 9 | 11/24/2025 | 04:04:23 | 70.42, 115.64 | 90.90 | 11/24/2025 | 04:05:28 | 70.41, 115.59 | 90.88 | 2.71 | 65 |
| 10 | 11/24/2025 | 04:55:05 | -70.35, -76.93 | 89.17 | 11/24/2025 | 04:54:57 | -70.35, -76.86 | 89.17 | 2.66 | 8 |
| 11 | 11/24/2025 | 05:45:41 | 69.80, 91.23 | 90.29 | 11/24/2025 | 05:44:31 | 69.85, 90.08 | 90.34 | 44.57 | 70 |
| 12 | 11/26/2025 | 20:21:16 | 70.37,-128.50 | 91.37 | 11/26/2025 | 20:21:52 | 70.37,-128.56 | 91.36 | 2.37 | 36 |
| 13 | 11/26/2025 | 21:11:58 | -70.30, 38.94 | 88.71 | 11/26/2025 | 21:11:21 | -70.32, 39.00 | 88.69 | 3.16 | 37 |
| 14 | 11/29/2025 | 11:47:33 | -70.83, 179.24 | 87.72 | 11/29/2025 | 11:48:44 | -70.73,-179.76 | 87.82 | 37.80 | 71 |
| 15 | 11/29/2025 | 12:38:10 | 70.33, -12.65 | 91.79 | 11/29/2025 | 12:38:16 | 70.34, -12.70 | 91.80 | 2.17 | 6 |
| 16 | 11/29/2025 | 13:28:52 | -70.26, 154.79 | 88.28 | 11/29/2025 | 13:27:46 | -70.24, 154.78 | 88.30 | 2.17 | 66 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/15/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/15/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9