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: 6/17/2025
| 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 | 06/17/2025 | 04:53:04 | -70.81, -77.71 | 132.61 | 06/17/2025 | 04:54:14 | -70.66, -76.39 | 132.80 | 50.94 | 70 |
| 2 | 06/17/2025 | 05:43:38 | 70.18, 90.60 | 46.74 | 06/17/2025 | 05:43:48 | 70.19, 90.55 | 46.74 | 2.11 | 10 |
| 3 | 06/17/2025 | 06:34:20 | -70.08,-101.92 | 133.37 | 06/17/2025 | 06:33:18 | -70.07,-101.98 | 133.37 | 2.68 | 62 |
| 4 | 06/19/2025 | 21:09:50 | -70.26, 38.95 | 133.22 | 06/19/2025 | 21:10:52 | -70.28, 38.92 | 133.21 | 2.59 | 62 |
| 5 | 06/19/2025 | 22:00:34 | 70.16,-153.58 | 46.67 | 06/19/2025 | 22:00:19 | 70.18,-153.58 | 46.69 | 2.39 | 15 |
| 6 | 06/19/2025 | 22:51:07 | -69.58, 14.61 | 133.93 | 06/19/2025 | 22:49:57 | -69.63, 13.28 | 133.84 | 51.72 | 70 |
| 7 | 06/22/2025 | 13:26:46 | -70.24, 154.76 | 133.24 | 06/22/2025 | 13:27:23 | -70.26, 154.77 | 133.22 | 2.30 | 37 |
| 8 | 06/22/2025 | 14:17:30 | 70.14, -37.78 | 46.66 | 06/22/2025 | 14:16:50 | 70.16, -37.74 | 46.68 | 2.36 | 40 |
| 9 | 06/25/2025 | 04:53:07 | 70.75, 102.39 | 47.36 | 06/25/2025 | 04:54:17 | 70.66, 103.60 | 47.21 | 45.51 | 70 |
| 10 | 06/25/2025 | 05:43:41 | -70.23, -89.45 | 133.20 | 06/25/2025 | 05:43:53 | -70.22, -89.41 | 133.21 | 1.55 | 12 |
| 11 | 06/25/2025 | 06:34:25 | 70.12, 78.02 | 46.70 | 06/25/2025 | 06:33:20 | 70.11, 78.08 | 46.69 | 2.61 | 65 |
| 12 | 06/27/2025 | 21:09:54 | 70.27,-141.06 | 46.96 | 06/27/2025 | 21:10:54 | 70.27,-141.10 | 46.94 | 1.65 | 60 |
| 13 | 06/27/2025 | 22:00:36 | -70.17, 26.42 | 133.16 | 06/27/2025 | 22:00:24 | -70.16, 26.39 | 133.16 | 1.26 | 12 |
| 14 | 06/27/2025 | 22:51:09 | 69.48,-165.24 | 46.14 | 06/27/2025 | 22:50:00 | 69.55,-166.82 | 46.27 | 61.74 | 69 |
| 15 | 06/30/2025 | 13:26:50 | 70.27, -25.28 | 47.11 | 06/30/2025 | 13:27:24 | 70.24, -25.25 | 47.07 | 3.22 | 34 |
| 16 | 06/30/2025 | 14:17:32 | -70.17, 142.20 | 133.00 | 06/30/2025 | 14:16:54 | -70.14, 142.24 | 133.03 | 2.97 | 38 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/17/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/17/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9