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: 7/25/2025
| 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 | 07/27/2025 | 04:53:18 | 70.93, 102.18 | 51.80 | 07/27/2025 | 04:54:26 | 70.86, 103.92 | 51.66 | 63.80 | 68 |
| 2 | 07/27/2025 | 05:43:48 | -70.24, -89.38 | 128.92 | 07/27/2025 | 05:44:05 | -70.26, -89.35 | 128.91 | 2.24 | 17 |
| 3 | 07/27/2025 | 06:34:33 | 70.15, 78.07 | 50.99 | 07/27/2025 | 06:33:32 | 70.15, 78.15 | 51.00 | 2.97 | 61 |
| 4 | 07/29/2025 | 21:10:00 | 70.29,-141.00 | 51.75 | 07/29/2025 | 21:11:05 | 70.28,-141.06 | 51.73 | 2.68 | 65 |
| 5 | 07/29/2025 | 22:00:41 | -70.18, 26.50 | 128.36 | 07/29/2025 | 22:00:35 | -70.17, 26.42 | 128.36 | 3.03 | 6 |
| 6 | 07/29/2025 | 22:51:18 | 69.66,-165.42 | 51.11 | 07/29/2025 | 22:50:08 | 69.73,-166.56 | 51.23 | 44.56 | 70 |
| 7 | 08/01/2025 | 13:26:55 | 70.29, -25.22 | 52.41 | 08/01/2025 | 13:27:34 | 70.28, -25.17 | 52.40 | 1.75 | 39 |
| 8 | 08/01/2025 | 14:17:36 | -70.17, 142.29 | 127.71 | 08/01/2025 | 14:17:04 | -70.18, 142.31 | 127.69 | 1.66 | 32 |
| 9 | 08/04/2025 | 04:53:18 | -71.05, -77.99 | 126.10 | 08/04/2025 | 04:54:26 | -70.93, -75.96 | 126.30 | 74.78 | 68 |
| 10 | 08/04/2025 | 05:43:49 | 70.24, 90.64 | 53.06 | 08/04/2025 | 05:44:04 | 70.21, 90.61 | 53.03 | 2.65 | 15 |
| 11 | 08/04/2025 | 06:34:30 | -70.12,-101.85 | 127.07 | 08/04/2025 | 06:33:34 | -70.12,-101.90 | 127.06 | 1.74 | 56 |
| 12 | 08/06/2025 | 21:09:59 | -70.32, 38.98 | 126.14 | 08/06/2025 | 21:11:06 | -70.30, 38.98 | 126.17 | 2.62 | 67 |
| 13 | 08/06/2025 | 22:00:43 | 70.19,-153.51 | 53.74 | 08/06/2025 | 22:00:33 | 70.18,-153.55 | 53.73 | 1.79 | 10 |
| 14 | 08/06/2025 | 22:51:19 | -69.80, 14.40 | 126.66 | 08/06/2025 | 22:50:07 | -69.87, 13.64 | 126.57 | 30.14 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9