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: 12/4/2025
| 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 | 12/04/2025 | 19:31:21 | 71.00,-116.97 | 93.25 | 12/04/2025 | 19:32:30 | 70.90,-115.47 | 93.14 | 55.52 | 69 |
| 2 | 12/04/2025 | 20:21:52 | -70.37, 51.40 | 87.39 | 12/04/2025 | 20:22:07 | -70.40, 51.41 | 87.37 | 3.31 | 15 |
| 3 | 12/04/2025 | 21:12:37 | 70.27,-141.14 | 92.52 | 12/04/2025 | 21:11:35 | 70.24,-141.17 | 92.49 | 2.90 | 62 |
| 4 | 12/07/2025 | 11:48:11 | 70.42, -0.25 | 92.98 | 12/07/2025 | 11:49:06 | 70.44, -0.28 | 93.00 | 2.81 | 55 |
| 5 | 12/07/2025 | 12:38:53 | -70.35, 167.17 | 87.09 | 12/07/2025 | 12:38:36 | -70.33, 167.19 | 87.12 | 3.22 | 17 |
| 6 | 12/07/2025 | 13:29:23 | 69.46, -24.17 | 92.03 | 12/07/2025 | 13:28:16 | 69.51, -26.31 | 92.08 | 83.57 | 67 |
| 7 | 12/10/2025 | 04:05:10 | 70.37, 115.59 | 93.20 | 12/10/2025 | 04:05:33 | 70.38, 115.52 | 93.20 | 2.91 | 23 |
| 8 | 12/10/2025 | 04:55:52 | -70.30, -76.98 | 86.87 | 12/10/2025 | 04:55:02 | -70.32, -76.93 | 86.86 | 2.83 | 50 |
| 9 | 12/12/2025 | 19:31:26 | -70.47, 63.88 | 86.49 | 12/12/2025 | 19:32:32 | -70.49, 63.93 | 86.48 | 2.50 | 66 |
| 10 | 12/12/2025 | 20:22:10 | 70.33,-128.59 | 93.37 | 12/12/2025 | 20:22:00 | 70.33,-128.66 | 93.36 | 2.98 | 10 |
| 11 | 12/12/2025 | 21:12:46 | -69.95, 39.33 | 87.02 | 12/12/2025 | 21:11:34 | -70.00, 38.50 | 86.97 | 32.22 | 72 |
| 12 | 12/15/2025 | 11:48:26 | -70.44, 179.69 | 86.36 | 12/15/2025 | 11:48:58 | -70.45, 179.77 | 86.36 | 2.83 | 32 |
| 13 | 12/15/2025 | 12:39:10 | 70.31, -12.78 | 93.50 | 12/15/2025 | 12:38:26 | 70.28, -12.83 | 93.48 | 3.14 | 44 |
| 14 | 12/18/2025 | 03:14:43 | 70.45, 128.12 | 93.75 | 12/18/2025 | 03:15:54 | 70.47, 128.07 | 93.77 | 3.09 | 71 |
| 15 | 12/18/2025 | 04:05:25 | -70.37, -64.43 | 86.33 | 12/18/2025 | 04:05:24 | -70.36, -64.46 | 86.34 | 1.45 | 1 |
| 16 | 12/18/2025 | 04:56:06 | 70.08, 103.33 | 93.38 | 12/18/2025 | 04:54:53 | 70.14, 102.86 | 93.44 | 18.87 | 73 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/4/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/04/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9