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: 6/11/2025
| 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 | 06/11/2025 | 21:09:47 | 70.26,-141.06 | 47.06 | 06/11/2025 | 21:10:45 | 70.24,-141.12 | 47.03 | 2.95 | 58 |
| 2 | 06/11/2025 | 22:00:30 | -70.20, 26.35 | 133.01 | 06/11/2025 | 22:00:14 | -70.18, 26.43 | 133.03 | 3.66 | 16 |
| 3 | 06/11/2025 | 22:51:01 | 69.42,-165.17 | 46.18 | 06/11/2025 | 22:49:52 | 69.48,-166.91 | 46.29 | 68.15 | 69 |
| 4 | 06/14/2025 | 13:26:42 | 70.22, -25.23 | 46.87 | 06/14/2025 | 13:27:16 | 70.23, -25.27 | 46.88 | 1.60 | 34 |
| 5 | 06/14/2025 | 14:17:24 | -70.11, 142.26 | 133.25 | 06/14/2025 | 14:16:46 | -70.12, 142.21 | 133.24 | 2.19 | 38 |
| 6 | 06/17/2025 | 04:53:04 | -70.81, -77.71 | 132.61 | 06/17/2025 | 04:54:14 | -70.68, -76.37 | 132.78 | 51.06 | 70 |
| 7 | 06/17/2025 | 05:43:38 | 70.19, 90.59 | 46.75 | 06/17/2025 | 05:43:48 | 70.20, 90.56 | 46.75 | 1.55 | 10 |
| 8 | 06/17/2025 | 06:34:20 | -70.08,-101.92 | 133.37 | 06/17/2025 | 06:33:18 | -70.09,-101.96 | 133.35 | 2.20 | 62 |
| 9 | 06/19/2025 | 21:09:50 | -70.26, 38.96 | 133.23 | 06/19/2025 | 21:10:53 | -70.26, 38.88 | 133.23 | 2.85 | 63 |
| 10 | 06/19/2025 | 22:00:34 | 70.16,-153.59 | 46.68 | 06/19/2025 | 22:00:20 | 70.15,-153.63 | 46.67 | 2.02 | 14 |
| 11 | 06/19/2025 | 22:51:08 | -69.63, 14.53 | 133.88 | 06/19/2025 | 22:49:57 | -69.66, 13.32 | 133.80 | 47.13 | 71 |
| 12 | 06/22/2025 | 13:26:46 | -70.23, 154.77 | 133.25 | 06/22/2025 | 13:27:24 | -70.25, 154.75 | 133.23 | 2.46 | 38 |
| 13 | 06/22/2025 | 14:17:30 | 70.14, -37.78 | 46.66 | 06/22/2025 | 14:16:51 | 70.14, -37.76 | 46.66 | 0.65 | 39 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9