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: 11/25/2025
| 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 | 11/26/2025 | 20:21:35 | 70.38,-128.59 | 91.37 | 11/26/2025 | 20:22:05 | 70.41,-128.57 | 91.40 | 3.35 | 30 |
| 2 | 11/26/2025 | 21:12:17 | -70.31, 38.84 | 88.69 | 11/26/2025 | 21:11:35 | -70.29, 38.90 | 88.71 | 3.17 | 42 |
| 3 | 11/29/2025 | 11:47:55 | -70.64, 179.44 | 87.90 | 11/29/2025 | 11:49:07 | -70.56, 179.89 | 87.99 | 18.97 | 72 |
| 4 | 11/29/2025 | 12:38:36 | 70.34, -12.77 | 91.80 | 11/29/2025 | 12:38:36 | 70.34, -12.78 | 91.80 | 0.87 | 0 |
| 5 | 11/29/2025 | 13:29:17 | -70.22, 154.74 | 88.32 | 11/29/2025 | 13:28:06 | -70.23, 154.69 | 88.31 | 2.50 | 71 |
| 6 | 12/02/2025 | 04:04:51 | -70.40, -64.41 | 87.73 | 12/02/2025 | 04:05:38 | -70.41, -64.45 | 87.72 | 2.10 | 47 |
| 7 | 12/02/2025 | 04:55:36 | 70.31, 103.04 | 92.19 | 12/02/2025 | 04:55:05 | 70.31, 103.04 | 92.19 | 0.15 | 31 |
| 8 | 12/04/2025 | 19:31:21 | 71.02,-117.00 | 93.27 | 12/04/2025 | 19:32:30 | 70.90,-115.47 | 93.14 | 57.16 | 69 |
| 9 | 12/04/2025 | 20:21:52 | -70.38, 51.38 | 87.38 | 12/04/2025 | 20:22:08 | -70.35, 51.35 | 87.41 | 2.67 | 16 |
| 10 | 12/04/2025 | 21:12:37 | 70.29,-141.17 | 92.54 | 12/04/2025 | 21:11:34 | 70.30,-141.09 | 92.55 | 3.38 | 63 |
| 11 | 12/07/2025 | 11:48:11 | 70.43, -0.27 | 92.99 | 12/07/2025 | 11:49:07 | 70.43, -0.30 | 92.98 | 1.42 | 56 |
| 12 | 12/07/2025 | 12:38:52 | -70.31, 167.25 | 87.13 | 12/07/2025 | 12:38:37 | -70.32, 167.18 | 87.12 | 3.09 | 15 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9