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: 6/7/2025
| 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 | 06/09/2025 | 04:52:58 | 70.65, 102.54 | 47.65 | 06/09/2025 | 04:54:08 | 70.54, 103.44 | 47.51 | 35.56 | 70 |
| 2 | 06/09/2025 | 05:43:34 | -70.22, -89.46 | 132.80 | 06/09/2025 | 05:43:42 | -70.21, -89.42 | 132.82 | 2.37 | 8 |
| 3 | 06/09/2025 | 06:34:17 | 70.08, 78.08 | 47.05 | 06/09/2025 | 06:33:10 | 70.05, 78.01 | 47.03 | 3.52 | 67 |
| 4 | 06/11/2025 | 21:09:47 | 70.30,-141.12 | 47.09 | 06/11/2025 | 21:10:44 | 70.27,-141.09 | 47.06 | 3.12 | 57 |
| 5 | 06/11/2025 | 22:00:29 | -70.18, 26.38 | 133.03 | 06/11/2025 | 22:00:14 | -70.16, 26.39 | 133.05 | 2.17 | 15 |
| 6 | 06/11/2025 | 22:51:00 | 69.40,-165.15 | 46.16 | 06/11/2025 | 22:49:52 | 69.45,-166.95 | 46.27 | 70.70 | 68 |
| 7 | 06/14/2025 | 13:26:43 | 70.26, -25.29 | 46.91 | 06/14/2025 | 13:27:16 | 70.26, -25.23 | 46.90 | 2.14 | 33 |
| 8 | 06/14/2025 | 14:17:25 | -70.14, 142.21 | 133.21 | 06/14/2025 | 14:16:46 | -70.15, 142.25 | 133.20 | 1.77 | 39 |
| 9 | 06/17/2025 | 04:53:05 | -70.84, -77.76 | 132.57 | 06/17/2025 | 04:54:14 | -70.72, -76.32 | 132.75 | 54.67 | 69 |
| 10 | 06/17/2025 | 05:43:39 | 70.23, 90.53 | 46.79 | 06/17/2025 | 05:43:48 | 70.23, 90.60 | 46.78 | 2.51 | 9 |
| 11 | 06/17/2025 | 06:34:21 | -70.11,-101.97 | 133.34 | 06/17/2025 | 06:33:18 | -70.12,-101.91 | 133.32 | 2.53 | 63 |
| 12 | 06/19/2025 | 21:09:51 | -70.29, 38.90 | 133.19 | 06/19/2025 | 21:10:53 | -70.29, 38.93 | 133.20 | 1.06 | 62 |
| 13 | 06/19/2025 | 22:00:34 | 70.15,-153.57 | 46.66 | 06/19/2025 | 22:00:20 | 70.18,-153.59 | 46.69 | 3.39 | 14 |
| 14 | 06/19/2025 | 22:51:07 | -69.61, 14.56 | 133.90 | 06/19/2025 | 22:49:57 | -69.64, 13.29 | 133.83 | 49.24 | 70 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/7/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/07/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9