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: 7/23/2025
| 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 | -70.26, 154.81 | 129.50 | 07/24/2025 | 13:27:35 | -70.26, 154.78 | 129.49 | 1.50 | 42 |
| 2 | 07/24/2025 | 14:17:38 | 70.16, -37.74 | 50.42 | 07/24/2025 | 14:17:02 | 70.16, -37.72 | 50.42 | 0.74 | 36 |
| 3 | 07/27/2025 | 04:53:18 | 70.93, 102.18 | 51.81 | 07/27/2025 | 04:54:26 | 70.85, 103.91 | 51.66 | 63.87 | 68 |
| 4 | 07/27/2025 | 05:43:48 | -70.24, -89.38 | 128.92 | 07/27/2025 | 05:44:05 | -70.26, -89.35 | 128.91 | 2.33 | 17 |
| 5 | 07/27/2025 | 06:34:33 | 70.15, 78.06 | 50.99 | 07/27/2025 | 06:33:32 | 70.15, 78.14 | 51.00 | 2.96 | 61 |
| 6 | 07/29/2025 | 21:10:00 | 70.29,-141.01 | 51.76 | 07/29/2025 | 21:11:05 | 70.28,-141.07 | 51.73 | 2.96 | 65 |
| 7 | 07/29/2025 | 22:00:42 | -70.23, 26.42 | 128.31 | 07/29/2025 | 22:00:34 | -70.23, 26.50 | 128.31 | 2.99 | 8 |
| 8 | 07/29/2025 | 22:51:18 | 69.66,-165.42 | 51.11 | 07/29/2025 | 22:50:08 | 69.73,-166.56 | 51.23 | 44.53 | 70 |
| 9 | 08/01/2025 | 13:26:55 | 70.29, -25.22 | 52.41 | 08/01/2025 | 13:27:34 | 70.28, -25.18 | 52.40 | 1.71 | 39 |
| 10 | 08/01/2025 | 14:17:36 | -70.17, 142.29 | 127.71 | 08/01/2025 | 14:17:04 | -70.18, 142.31 | 127.69 | 1.82 | 32 |
| 11 | 08/04/2025 | 04:53:18 | -71.05, -77.98 | 126.10 | 08/04/2025 | 04:54:26 | -70.93, -75.96 | 126.30 | 74.45 | 68 |
| 12 | 08/04/2025 | 05:43:49 | 70.23, 90.64 | 53.05 | 08/04/2025 | 05:44:04 | 70.21, 90.61 | 53.03 | 2.81 | 15 |
| 13 | 08/04/2025 | 06:34:30 | -70.11,-101.84 | 127.07 | 08/04/2025 | 06:33:34 | -70.11,-101.90 | 127.06 | 2.04 | 56 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/23/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/23/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9