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: 12/6/2025
| 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 | 12/07/2025 | 11:48:12 | 70.46, -0.32 | 93.02 | 12/07/2025 | 11:49:06 | 70.46, -0.25 | 93.02 | 2.47 | 54 |
| 2 | 12/07/2025 | 12:38:53 | -70.35, 167.18 | 87.09 | 12/07/2025 | 12:38:36 | -70.34, 167.21 | 87.10 | 1.27 | 17 |
| 3 | 12/07/2025 | 13:29:23 | 69.46, -24.16 | 92.02 | 12/07/2025 | 13:28:16 | 69.53, -26.29 | 92.10 | 83.35 | 67 |
| 4 | 12/10/2025 | 04:05:11 | 70.41, 115.53 | 93.24 | 12/10/2025 | 04:05:33 | 70.41, 115.56 | 93.23 | 1.37 | 22 |
| 5 | 12/10/2025 | 04:55:52 | -70.29, -76.97 | 86.88 | 12/10/2025 | 04:55:03 | -70.29, -76.97 | 86.88 | 0.13 | 49 |
| 6 | 12/12/2025 | 19:31:26 | -70.46, 63.90 | 86.50 | 12/12/2025 | 19:32:33 | -70.48, 63.91 | 86.49 | 1.64 | 67 |
| 7 | 12/12/2025 | 20:22:11 | 70.37,-128.65 | 93.41 | 12/12/2025 | 20:22:00 | 70.37,-128.60 | 93.41 | 1.76 | 11 |
| 8 | 12/12/2025 | 21:12:46 | -69.94, 39.35 | 87.03 | 12/12/2025 | 21:11:35 | -69.98, 38.48 | 86.98 | 33.60 | 71 |
| 9 | 12/15/2025 | 11:48:26 | -70.43, 179.71 | 86.38 | 12/15/2025 | 11:49:00 | -70.40, 179.69 | 86.41 | 3.24 | 34 |
| 10 | 12/15/2025 | 12:39:10 | 70.29, -12.76 | 93.49 | 12/15/2025 | 12:38:27 | 70.29, -12.82 | 93.49 | 2.45 | 43 |
| 11 | 12/18/2025 | 03:14:44 | 70.48, 128.07 | 93.79 | 12/18/2025 | 03:15:55 | 70.50, 128.10 | 93.80 | 2.37 | 71 |
| 12 | 12/18/2025 | 04:05:26 | -70.41, -64.49 | 86.30 | 12/18/2025 | 04:05:25 | -70.39, -64.42 | 86.31 | 2.86 | 1 |
| 13 | 12/18/2025 | 04:56:07 | 70.11, 103.28 | 93.41 | 12/18/2025 | 04:54:54 | 70.17, 102.90 | 93.47 | 15.65 | 73 |
| 14 | 12/20/2025 | 19:31:42 | 70.43,-116.07 | 93.77 | 12/20/2025 | 19:32:19 | 70.45,-116.07 | 93.80 | 2.81 | 37 |
| 15 | 12/20/2025 | 20:22:24 | -70.34, 51.38 | 86.31 | 12/20/2025 | 20:21:49 | -70.34, 51.40 | 86.31 | 1.02 | 35 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/6/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/06/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9