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: 11/2/2025
| 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 | 11/02/2025 | 20:21:09 | -70.40, 51.38 | 94.68 | 11/02/2025 | 20:22:04 | -70.40, 51.44 | 94.68 | 2.12 | 55 |
| 2 | 11/02/2025 | 21:11:53 | 70.29,-141.13 | 85.22 | 11/02/2025 | 21:11:31 | 70.30,-141.07 | 85.23 | 2.90 | 22 |
| 3 | 11/02/2025 | 22:02:21 | -69.46, 27.44 | 95.60 | 11/02/2025 | 22:01:13 | -69.53, 25.49 | 95.54 | 76.36 | 68 |
| 4 | 11/05/2025 | 12:38:05 | -70.36, 167.23 | 93.91 | 11/05/2025 | 12:38:36 | -70.37, 167.25 | 93.90 | 1.49 | 31 |
| 5 | 11/05/2025 | 13:28:49 | 70.24, -25.28 | 85.99 | 11/05/2025 | 13:28:03 | 70.26, -25.26 | 86.01 | 2.42 | 46 |
| 6 | 11/08/2025 | 04:04:24 | 70.67, 115.18 | 87.19 | 11/08/2025 | 04:05:35 | 70.57, 115.80 | 87.10 | 25.34 | 71 |
| 7 | 11/08/2025 | 04:55:01 | -70.32, -76.93 | 93.15 | 11/08/2025 | 04:55:08 | -70.30, -76.97 | 93.17 | 1.91 | 7 |
| 8 | 11/08/2025 | 05:45:45 | 70.20, 90.55 | 86.75 | 11/08/2025 | 05:44:35 | 70.19, 90.52 | 86.74 | 1.51 | 70 |
| 9 | 11/10/2025 | 20:21:15 | 70.38,-128.57 | 87.66 | 11/10/2025 | 20:22:09 | 70.37,-128.62 | 87.65 | 2.16 | 54 |
| 10 | 11/10/2025 | 21:11:57 | -70.29, 38.89 | 92.43 | 11/10/2025 | 21:11:39 | -70.27, 38.86 | 92.45 | 2.10 | 18 |
| 11 | 11/10/2025 | 22:02:26 | 69.38,-152.43 | 86.68 | 11/10/2025 | 22:01:19 | 69.44,-154.65 | 86.73 | 86.93 | 67 |
| 12 | 11/13/2025 | 12:38:10 | 70.35, -12.75 | 88.36 | 11/13/2025 | 12:38:38 | 70.37, -12.76 | 88.37 | 1.43 | 28 |
| 13 | 11/13/2025 | 13:28:52 | -70.26, 154.71 | 91.73 | 11/13/2025 | 13:28:08 | -70.27, 154.73 | 91.73 | 1.04 | 44 |
| 14 | 11/16/2025 | 04:04:27 | -70.71, -64.86 | 90.61 | 11/16/2025 | 04:05:38 | -70.61, -64.15 | 90.71 | 28.38 | 71 |
| 15 | 11/16/2025 | 04:55:06 | 70.34, 103.05 | 89.02 | 11/16/2025 | 04:55:08 | 70.33, 103.08 | 89.02 | 0.93 | 2 |
| 16 | 11/16/2025 | 05:45:48 | -70.25, -89.49 | 91.06 | 11/16/2025 | 05:44:38 | -70.24, -89.43 | 91.07 | 2.40 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/2/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/02/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9