Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/20/2025
| Index | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 07/20/2025 | 13:02:48 | -70.46, 161.24 | 130.12 | 07/20/2025 | 13:01:35 | -70.50, 160.75 | 130.05 | 18.74 | 73 |
| 2 | 07/20/2025 | 13:52:18 | 70.19, -31.51 | 49.64 | 07/20/2025 | 13:52:16 | 70.20, -31.47 | 49.65 | 1.76 | 2 |
| 3 | 07/20/2025 | 14:41:48 | -70.08, 135.97 | 130.47 | 07/20/2025 | 14:42:57 | -70.09, 136.03 | 130.47 | 2.40 | 69 |
| 4 | 07/23/2025 | 05:19:21 | -70.30, -83.12 | 129.74 | 07/23/2025 | 05:18:26 | -70.27, -83.10 | 129.76 | 2.95 | 55 |
| 5 | 07/23/2025 | 06:08:48 | 70.19, 84.37 | 50.17 | 07/23/2025 | 06:09:11 | 70.18, 84.34 | 50.16 | 1.44 | 23 |
| 6 | 07/23/2025 | 06:58:31 | -69.37,-109.13 | 130.61 | 07/23/2025 | 06:59:38 | -69.33,-107.06 | 130.73 | 81.36 | 67 |
| 7 | 07/25/2025 | 21:35:51 | -70.23, 32.66 | 129.24 | 07/25/2025 | 21:35:20 | -70.25, 32.71 | 129.21 | 3.20 | 31 |
| 8 | 07/25/2025 | 22:25:17 | 70.17,-159.77 | 50.72 | 07/25/2025 | 22:26:05 | 70.16,-159.85 | 50.71 | 3.07 | 48 |
| 9 | 07/28/2025 | 13:02:49 | 70.41, -18.82 | 51.54 | 07/28/2025 | 13:01:36 | 70.46, -19.16 | 51.62 | 13.77 | 73 |
| 10 | 07/28/2025 | 13:52:20 | -70.25, 148.58 | 128.60 | 07/28/2025 | 13:52:15 | -70.23, 148.51 | 128.62 | 3.31 | 5 |
| 11 | 07/28/2025 | 14:41:48 | 70.09, -44.01 | 51.25 | 07/28/2025 | 14:42:59 | 70.10, -43.97 | 51.25 | 2.06 | 71 |
| 12 | 07/31/2025 | 05:19:20 | 70.31, 96.92 | 52.09 | 07/31/2025 | 05:18:28 | 70.29, 96.88 | 52.08 | 2.48 | 52 |
| 13 | 07/31/2025 | 06:08:51 | -70.16, -95.68 | 128.05 | 07/31/2025 | 06:09:09 | -70.17, -95.61 | 128.04 | 2.97 | 18 |
| 14 | 07/31/2025 | 06:58:32 | 69.27, 70.75 | 51.12 | 07/31/2025 | 06:59:38 | 69.24, 73.08 | 51.00 | 91.72 | 66 |
| 15 | 08/02/2025 | 21:35:50 | 70.25,-147.28 | 52.72 | 08/02/2025 | 21:35:22 | 70.24,-147.25 | 52.70 | 2.29 | 28 |
| 16 | 08/02/2025 | 22:25:20 | -70.16, 20.21 | 127.37 | 08/02/2025 | 22:26:04 | -70.16, 20.18 | 127.37 | 1.33 | 44 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 7/20/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 07/20/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP