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: 3/22/2025
| 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 | 03/23/2025 | 22:49:35 | 70.12,-166.02 | 68.68 | 03/23/2025 | 22:50:01 | 70.13,-166.08 | 68.70 | 3.33 | 26 |
| 2 | 03/23/2025 | 23:40:17 | -70.05, 1.40 | 111.40 | 03/23/2025 | 23:39:31 | -70.02, 1.39 | 111.43 | 3.40 | 46 |
| 3 | 03/26/2025 | 14:15:48 | -70.62, 141.68 | 111.84 | 03/26/2025 | 14:16:59 | -70.49, 142.67 | 112.01 | 39.29 | 71 |
| 4 | 03/26/2025 | 15:06:25 | 70.12, -50.22 | 67.63 | 03/26/2025 | 15:06:31 | 70.11, -50.24 | 67.62 | 0.86 | 6 |
| 5 | 03/26/2025 | 15:57:06 | -70.00, 117.27 | 112.51 | 03/26/2025 | 15:56:01 | -70.01, 117.24 | 112.50 | 1.20 | 65 |
| 6 | 03/29/2025 | 06:32:30 | -70.22,-101.89 | 113.31 | 03/29/2025 | 06:33:33 | -70.19,-101.89 | 113.35 | 3.30 | 63 |
| 7 | 03/29/2025 | 07:23:14 | 70.09, 65.62 | 66.55 | 03/29/2025 | 07:23:00 | 70.08, 65.60 | 66.54 | 1.41 | 14 |
| 8 | 03/29/2025 | 08:13:47 | -69.55,-126.25 | 114.03 | 03/29/2025 | 08:12:36 | -69.65,-127.38 | 113.90 | 44.82 | 71 |
| 9 | 03/31/2025 | 22:49:18 | -70.16, 14.01 | 114.42 | 03/31/2025 | 22:50:01 | -70.16, 13.94 | 114.43 | 2.78 | 43 |
| 10 | 03/31/2025 | 23:40:03 | 70.09,-178.57 | 65.50 | 03/31/2025 | 23:39:27 | 70.10,-178.50 | 65.51 | 2.75 | 36 |
| 11 | 04/03/2025 | 14:15:38 | 70.98, -38.83 | 65.43 | 04/03/2025 | 14:16:45 | 70.87, -36.75 | 65.25 | 76.53 | 67 |
| 12 | 04/03/2025 | 15:06:06 | -70.17, 129.80 | 115.44 | 04/03/2025 | 15:06:26 | -70.16, 129.83 | 115.45 | 1.73 | 20 |
| 13 | 04/03/2025 | 15:56:50 | 70.05, -62.71 | 64.42 | 04/03/2025 | 15:55:53 | 70.04, -62.69 | 64.42 | 0.92 | 57 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/22/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/22/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9