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: 6/30/2025
| 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 | 06/30/2025 | 13:26:50 | 70.25, -25.24 | 47.08 | 06/30/2025 | 13:27:25 | 70.24, -25.26 | 47.07 | 1.05 | 35 |
| 2 | 06/30/2025 | 14:17:31 | -70.11, 142.29 | 133.07 | 06/30/2025 | 14:16:55 | -70.12, 142.21 | 133.04 | 3.56 | 36 |
| 3 | 07/03/2025 | 04:53:11 | -70.83, -77.72 | 132.11 | 07/03/2025 | 04:54:21 | -70.70, -76.33 | 132.29 | 52.77 | 70 |
| 4 | 07/03/2025 | 05:43:46 | 70.24, 90.54 | 47.28 | 07/03/2025 | 05:43:55 | 70.22, 90.60 | 47.25 | 3.22 | 9 |
| 5 | 07/03/2025 | 06:34:27 | -70.10,-101.92 | 132.87 | 07/03/2025 | 06:33:25 | -70.11,-101.93 | 132.85 | 0.83 | 62 |
| 6 | 07/05/2025 | 21:09:56 | -70.31, 38.91 | 132.41 | 07/05/2025 | 21:10:57 | -70.29, 38.95 | 132.44 | 1.96 | 61 |
| 7 | 07/05/2025 | 22:00:40 | 70.19,-153.60 | 47.47 | 07/05/2025 | 22:00:24 | 70.19,-153.56 | 47.47 | 1.22 | 16 |
| 8 | 07/05/2025 | 22:51:12 | -69.57, 14.64 | 133.17 | 07/05/2025 | 22:50:02 | -69.64, 13.31 | 133.05 | 52.48 | 70 |
| 9 | 07/08/2025 | 13:26:51 | -70.26, 154.76 | 132.17 | 07/08/2025 | 13:27:27 | -70.25, 154.77 | 132.18 | 0.52 | 36 |
| 10 | 07/08/2025 | 14:17:35 | 70.14, -37.74 | 47.71 | 07/08/2025 | 14:16:54 | 70.14, -37.74 | 47.72 | 0.58 | 41 |
| 11 | 07/11/2025 | 04:53:11 | 70.66, 102.57 | 48.60 | 07/11/2025 | 04:54:22 | 70.57, 103.49 | 48.46 | 35.56 | 71 |
| 12 | 07/11/2025 | 05:43:46 | -70.21, -89.39 | 131.88 | 07/11/2025 | 05:43:57 | -70.20, -89.42 | 131.89 | 1.95 | 11 |
| 13 | 07/11/2025 | 06:34:30 | 70.09, 78.11 | 48.00 | 07/11/2025 | 06:33:24 | 70.08, 78.06 | 48.01 | 2.05 | 66 |
| 14 | 07/13/2025 | 21:10:00 | 70.31,-141.08 | 48.61 | 07/13/2025 | 21:10:56 | 70.28,-141.05 | 48.57 | 3.01 | 56 |
| 15 | 07/13/2025 | 22:00:41 | -70.17, 26.45 | 131.54 | 07/13/2025 | 22:00:26 | -70.18, 26.44 | 131.52 | 1.70 | 15 |
| 16 | 07/13/2025 | 22:51:12 | 69.36,-165.03 | 47.62 | 07/13/2025 | 22:50:04 | 69.46,-166.92 | 47.80 | 74.62 | 68 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/30/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/30/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9