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: 3/29/2025
| 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 | 03/29/2025 | 06:32:41 | -70.20,-101.90 | 113.34 | 03/29/2025 | 06:33:31 | -70.22,-101.85 | 113.32 | 3.28 | 50 |
| 2 | 03/29/2025 | 07:23:25 | 70.04, 65.64 | 66.49 | 03/29/2025 | 07:22:59 | 70.06, 65.57 | 66.52 | 3.60 | 26 |
| 3 | 03/29/2025 | 08:13:50 | -69.08,-125.64 | 114.52 | 03/29/2025 | 08:12:44 | -69.12,-128.07 | 114.39 | 96.63 | 66 |
| 4 | 03/31/2025 | 21:59:12 | 70.86,-154.54 | 66.34 | 03/31/2025 | 22:00:20 | 70.77,-152.79 | 66.18 | 64.72 | 68 |
| 5 | 03/31/2025 | 22:49:42 | -70.17, 13.90 | 114.41 | 03/31/2025 | 22:49:59 | -70.17, 13.95 | 114.42 | 2.00 | 17 |
| 6 | 03/31/2025 | 23:40:26 | 70.02,-178.56 | 65.42 | 03/31/2025 | 23:39:27 | 70.00,-178.63 | 65.42 | 2.95 | 59 |
| 7 | 04/03/2025 | 14:16:00 | 70.22, -37.75 | 64.63 | 04/03/2025 | 14:16:55 | 70.22, -37.72 | 64.62 | 1.16 | 55 |
| 8 | 04/03/2025 | 15:06:41 | -70.10, 129.76 | 115.52 | 04/03/2025 | 15:06:25 | -70.11, 129.76 | 115.51 | 1.41 | 16 |
| 9 | 04/03/2025 | 15:57:12 | 69.26, -61.70 | 63.61 | 04/03/2025 | 15:56:04 | 69.33, -63.65 | 63.74 | 77.20 | 68 |
| 10 | 04/06/2025 | 05:42:33 | -71.19, -90.90 | 115.37 | 04/06/2025 | 05:43:39 | -71.09, -88.16 | 115.55 | 99.14 | 66 |
| 11 | 04/06/2025 | 06:33:00 | 70.16, 78.09 | 63.55 | 04/06/2025 | 06:33:21 | 70.16, 78.09 | 63.54 | 0.78 | 21 |
| 12 | 04/06/2025 | 07:23:41 | -70.04,-114.40 | 116.60 | 04/06/2025 | 07:22:51 | -70.05,-114.43 | 116.58 | 1.67 | 50 |
| 13 | 04/08/2025 | 21:59:15 | -70.21, 26.47 | 117.41 | 04/08/2025 | 22:00:19 | -70.21, 26.42 | 117.41 | 1.87 | 64 |
| 14 | 04/08/2025 | 22:50:00 | 70.13,-166.10 | 62.50 | 04/08/2025 | 22:49:46 | 70.10,-166.10 | 62.47 | 3.23 | 14 |
| 15 | 04/08/2025 | 23:40:33 | -69.57, 2.05 | 118.09 | 04/08/2025 | 23:39:22 | -69.66, 0.93 | 117.97 | 44.52 | 71 |
| 16 | 04/11/2025 | 14:16:15 | -70.18, 142.27 | 118.43 | 04/11/2025 | 14:16:43 | -70.16, 142.24 | 118.46 | 2.80 | 28 |
| 17 | 04/11/2025 | 15:06:59 | 70.05, -50.22 | 61.42 | 04/11/2025 | 15:06:10 | 70.03, -50.29 | 61.42 | 2.88 | 49 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/29/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/29/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9