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: 4/27/2025
| 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 | 04/27/2025 | 13:26:09 | 70.79, -26.09 | 56.71 | 04/27/2025 | 13:27:18 | 70.69, -24.71 | 56.58 | 51.97 | 69 |
| 2 | 04/27/2025 | 14:16:41 | -70.17, 142.20 | 123.94 | 04/27/2025 | 14:16:55 | -70.19, 142.20 | 123.93 | 2.32 | 14 |
| 3 | 04/27/2025 | 15:07:26 | 70.10, -50.38 | 55.98 | 04/27/2025 | 15:06:22 | 70.09, -50.30 | 55.97 | 2.95 | 64 |
| 4 | 04/30/2025 | 05:42:58 | 70.27, 90.51 | 55.33 | 04/30/2025 | 05:43:55 | 70.25, 90.52 | 55.31 | 1.62 | 57 |
| 5 | 04/30/2025 | 06:33:39 | -70.12,-101.95 | 124.83 | 04/30/2025 | 06:33:25 | -70.14,-102.01 | 124.81 | 3.08 | 14 |
| 6 | 04/30/2025 | 07:24:11 | 69.37, 66.48 | 54.39 | 04/30/2025 | 07:23:03 | 69.43, 64.66 | 54.49 | 71.56 | 68 |
| 7 | 05/02/2025 | 21:59:55 | 70.23,-153.67 | 54.49 | 05/02/2025 | 22:00:23 | 70.21,-153.67 | 54.46 | 2.46 | 28 |
| 8 | 05/02/2025 | 22:50:36 | -70.08, 13.88 | 125.68 | 05/02/2025 | 22:49:53 | -70.10, 13.81 | 125.66 | 3.45 | 43 |
| 9 | 05/05/2025 | 13:26:11 | -70.41, 154.49 | 126.09 | 05/05/2025 | 13:27:23 | -70.34, 154.76 | 126.17 | 12.75 | 72 |
| 10 | 05/05/2025 | 14:16:52 | 70.15, -37.79 | 53.64 | 05/05/2025 | 14:16:51 | 70.18, -37.83 | 53.66 | 3.15 | 1 |
| 11 | 05/05/2025 | 15:07:34 | -70.05, 129.69 | 126.49 | 05/05/2025 | 15:06:21 | -70.07, 129.65 | 126.46 | 3.05 | 73 |
| 12 | 05/08/2025 | 05:43:06 | -70.23, -89.46 | 127.01 | 05/08/2025 | 05:43:52 | -70.22, -89.54 | 127.04 | 3.54 | 46 |
| 13 | 05/08/2025 | 06:33:50 | 70.14, 78.00 | 52.88 | 05/08/2025 | 06:33:18 | 70.16, 78.02 | 52.90 | 2.37 | 32 |
| 14 | 05/10/2025 | 21:09:31 | 70.82,-141.94 | 52.90 | 05/10/2025 | 21:10:40 | 70.75,-140.49 | 52.80 | 53.75 | 69 |
| 15 | 05/10/2025 | 22:00:04 | -70.22, 26.32 | 127.73 | 05/10/2025 | 22:00:18 | -70.21, 26.34 | 127.75 | 1.60 | 14 |
| 16 | 05/10/2025 | 22:50:47 | 70.08,-166.15 | 52.12 | 05/10/2025 | 22:49:45 | 70.10,-166.18 | 52.14 | 1.99 | 62 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/27/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/27/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9