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: 7/22/2025
| 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 | 07/24/2025 | 13:26:53 | -70.27, 154.78 | 129.48 | 07/24/2025 | 13:27:35 | -70.25, 154.76 | 129.51 | 2.82 | 42 |
| 2 | 07/24/2025 | 14:17:37 | 70.13, -37.69 | 50.38 | 07/24/2025 | 14:17:02 | 70.14, -37.75 | 50.40 | 2.70 | 35 |
| 3 | 07/27/2025 | 04:53:18 | 70.95, 102.15 | 51.82 | 07/27/2025 | 04:54:26 | 70.84, 103.90 | 51.64 | 64.76 | 68 |
| 4 | 07/27/2025 | 05:43:48 | -70.25, -89.41 | 128.91 | 07/27/2025 | 05:44:05 | -70.25, -89.36 | 128.92 | 1.99 | 17 |
| 5 | 07/27/2025 | 06:34:32 | 70.11, 78.12 | 50.96 | 07/27/2025 | 06:33:32 | 70.14, 78.12 | 50.99 | 2.50 | 60 |
| 6 | 07/29/2025 | 21:10:01 | 70.31,-141.03 | 51.77 | 07/29/2025 | 21:11:05 | 70.33,-140.99 | 51.78 | 2.60 | 64 |
| 7 | 07/29/2025 | 22:00:42 | -70.19, 26.48 | 128.35 | 07/29/2025 | 22:00:36 | -70.17, 26.41 | 128.36 | 3.02 | 6 |
| 8 | 07/29/2025 | 22:51:19 | 69.68,-165.45 | 51.13 | 07/29/2025 | 22:50:09 | 69.73,-166.57 | 51.23 | 43.57 | 70 |
| 9 | 08/01/2025 | 13:26:56 | 70.30, -25.24 | 52.43 | 08/01/2025 | 13:27:35 | 70.29, -25.17 | 52.40 | 2.89 | 39 |
| 10 | 08/01/2025 | 14:17:37 | -70.18, 142.27 | 127.70 | 08/01/2025 | 14:17:05 | -70.19, 142.32 | 127.68 | 2.33 | 32 |
| 11 | 08/04/2025 | 04:53:18 | -71.05, -78.00 | 126.09 | 08/04/2025 | 04:54:26 | -70.95, -75.93 | 126.28 | 75.68 | 68 |
| 12 | 08/04/2025 | 05:43:49 | 70.24, 90.63 | 53.06 | 08/04/2025 | 05:44:04 | 70.23, 90.64 | 53.05 | 1.15 | 15 |
| 13 | 08/04/2025 | 06:34:30 | -70.12,-101.86 | 127.06 | 08/04/2025 | 06:33:34 | -70.14,-101.87 | 127.04 | 2.09 | 56 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/22/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/22/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9