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: 9/27/2025
| 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 | 09/29/2025 | 04:54:21 | 70.29, 103.12 | 72.69 | 09/29/2025 | 04:55:00 | 70.30, 103.04 | 72.70 | 3.04 | 39 |
| 2 | 09/29/2025 | 05:45:04 | -70.22, -89.46 | 107.37 | 09/29/2025 | 05:44:29 | -70.24, -89.41 | 107.35 | 2.53 | 35 |
| 3 | 10/01/2025 | 20:20:45 | -70.83, 50.70 | 105.74 | 10/01/2025 | 20:21:55 | -70.74, 51.95 | 105.84 | 46.71 | 70 |
| 4 | 10/01/2025 | 21:11:20 | 70.27,-141.09 | 73.71 | 10/01/2025 | 21:11:29 | 70.26,-141.13 | 73.70 | 1.99 | 9 |
| 5 | 10/01/2025 | 22:02:02 | -70.15, 26.42 | 106.40 | 10/01/2025 | 22:00:59 | -70.15, 26.35 | 106.41 | 2.72 | 63 |
| 6 | 10/04/2025 | 12:37:35 | -70.35, 167.24 | 105.20 | 10/04/2025 | 12:38:30 | -70.34, 167.24 | 105.21 | 0.84 | 55 |
| 7 | 10/04/2025 | 13:28:18 | 70.21, -25.23 | 74.68 | 10/04/2025 | 13:27:57 | 70.23, -25.28 | 74.70 | 3.24 | 21 |
| 8 | 10/04/2025 | 14:18:47 | -69.40, 143.30 | 106.12 | 10/04/2025 | 14:17:39 | -69.46, 141.29 | 106.05 | 78.87 | 68 |
| 9 | 10/07/2025 | 04:04:07 | 71.31, 114.09 | 76.80 | 10/07/2025 | 04:05:12 | 71.20, 116.81 | 76.68 | 98.04 | 65 |
| 10 | 10/07/2025 | 04:54:32 | -70.30, -76.91 | 104.22 | 10/07/2025 | 04:54:57 | -70.28, -76.96 | 104.24 | 2.88 | 25 |
| 11 | 10/07/2025 | 05:45:16 | 70.21, 90.53 | 75.71 | 10/07/2025 | 05:44:23 | 70.22, 90.60 | 75.72 | 2.64 | 53 |
| 12 | 10/09/2025 | 20:20:48 | 70.38,-128.60 | 76.88 | 10/09/2025 | 20:21:53 | 70.39,-128.54 | 76.88 | 2.07 | 65 |
| 13 | 10/09/2025 | 21:11:30 | -70.26, 38.92 | 103.24 | 10/09/2025 | 21:11:23 | -70.28, 38.94 | 103.22 | 3.18 | 7 |
| 14 | 10/09/2025 | 22:02:07 | 69.80,-153.08 | 76.32 | 10/09/2025 | 22:00:56 | 69.84,-154.05 | 76.35 | 37.43 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/27/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/27/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9