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: 11/13/2025
| 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 | 70.35, -12.78 | 88.35 | 2.19 | 27 |
| 2 | 11/13/2025 | 13:28:52 | -70.26, 154.71 | 91.73 | 11/13/2025 | 13:28:07 | -70.23, 154.69 | 91.76 | 3.07 | 45 |
| 3 | 11/16/2025 | 04:04:24 | -70.63, -64.72 | 90.70 | 11/16/2025 | 04:05:35 | -70.55, -64.25 | 90.78 | 19.65 | 71 |
| 4 | 11/16/2025 | 04:55:05 | 70.34, 103.04 | 89.03 | 11/16/2025 | 04:55:04 | 70.33, 103.08 | 89.02 | 1.87 | 1 |
| 5 | 11/16/2025 | 05:45:46 | -70.21, -89.43 | 91.10 | 11/16/2025 | 05:44:34 | -70.22, -89.44 | 91.09 | 1.08 | 72 |
| 6 | 11/18/2025 | 20:21:15 | -70.38, 51.45 | 90.30 | 11/18/2025 | 20:22:05 | -70.37, 51.39 | 90.31 | 2.78 | 50 |
| 7 | 11/18/2025 | 21:12:00 | 70.31,-141.12 | 89.64 | 11/18/2025 | 21:11:31 | 70.32,-141.05 | 89.65 | 2.92 | 29 |
| 8 | 11/21/2025 | 11:47:42 | 71.17, -1.39 | 91.10 | 11/21/2025 | 11:48:49 | 71.12, 0.79 | 91.05 | 78.85 | 67 |
| 9 | 11/21/2025 | 12:38:10 | -70.37, 167.26 | 89.71 | 11/21/2025 | 12:38:31 | -70.36, 167.26 | 89.72 | 0.51 | 21 |
| 10 | 11/21/2025 | 13:28:54 | 70.24, -25.23 | 90.17 | 11/21/2025 | 13:27:58 | 70.25, -25.25 | 90.18 | 1.51 | 56 |
| 11 | 11/24/2025 | 04:04:23 | 70.44, 115.61 | 90.92 | 11/24/2025 | 04:05:26 | 70.46, 115.67 | 90.94 | 2.80 | 63 |
| 12 | 11/24/2025 | 04:55:04 | -70.31, -76.86 | 89.21 | 11/24/2025 | 04:54:57 | -70.29, -76.93 | 89.23 | 3.10 | 7 |
| 13 | 11/24/2025 | 05:45:41 | 69.81, 91.21 | 90.31 | 11/24/2025 | 05:44:30 | 69.85, 90.08 | 90.34 | 43.53 | 71 |
| 14 | 11/26/2025 | 20:21:16 | 70.40,-128.54 | 91.39 | 11/26/2025 | 20:21:50 | 70.39,-128.53 | 91.38 | 1.07 | 34 |
| 15 | 11/26/2025 | 21:11:57 | -70.27, 38.99 | 88.74 | 11/26/2025 | 21:11:20 | -70.28, 38.95 | 88.72 | 2.24 | 37 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/13/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/13/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9