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: 10/11/2025
| 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 | 10/12/2025 | 12:37:45 | 70.36, -12.79 | 77.86 | 10/12/2025 | 12:38:35 | 70.37, -12.74 | 77.87 | 2.47 | 50 |
| 2 | 10/12/2025 | 13:28:27 | -70.24, 154.71 | 102.25 | 10/12/2025 | 13:28:05 | -70.26, 154.73 | 102.23 | 2.33 | 22 |
| 3 | 10/12/2025 | 14:18:54 | 69.25, -36.50 | 76.78 | 10/12/2025 | 14:17:48 | 69.28, -38.99 | 76.80 | 97.99 | 66 |
| 4 | 10/15/2025 | 04:54:42 | 70.29, 103.09 | 78.79 | 10/15/2025 | 04:55:06 | 70.31, 103.04 | 78.81 | 2.91 | 24 |
| 5 | 10/15/2025 | 05:45:25 | -70.22, -89.49 | 101.27 | 10/15/2025 | 05:44:36 | -70.20, -89.48 | 101.29 | 2.58 | 49 |
| 6 | 10/17/2025 | 20:20:57 | -70.42, 51.33 | 100.11 | 10/17/2025 | 20:22:09 | -70.38, 51.39 | 100.15 | 5.07 | 72 |
| 7 | 10/17/2025 | 21:11:40 | 70.28,-141.13 | 79.76 | 10/17/2025 | 21:11:36 | 70.27,-141.13 | 79.75 | 0.91 | 4 |
| 8 | 10/17/2025 | 22:02:20 | -70.06, 26.53 | 100.45 | 10/17/2025 | 22:01:07 | -70.11, 26.28 | 100.40 | 11.49 | 73 |
| 9 | 10/20/2025 | 12:37:54 | -70.37, 167.19 | 99.20 | 10/20/2025 | 12:38:38 | -70.38, 167.26 | 99.19 | 2.77 | 44 |
| 10 | 10/20/2025 | 13:28:37 | 70.23, -25.28 | 80.68 | 10/20/2025 | 13:28:06 | 70.21, -25.34 | 80.65 | 3.25 | 31 |
| 11 | 10/23/2025 | 04:04:19 | 71.03, 114.57 | 82.40 | 10/23/2025 | 04:05:27 | 70.94, 116.36 | 82.31 | 65.44 | 68 |
| 12 | 10/23/2025 | 04:54:50 | -70.33, -76.97 | 98.29 | 10/23/2025 | 04:55:06 | -70.34, -76.91 | 98.28 | 2.93 | 16 |
| 13 | 10/23/2025 | 05:45:33 | 70.19, 90.56 | 81.58 | 10/23/2025 | 05:44:34 | 70.17, 90.49 | 81.56 | 3.04 | 59 |
| 14 | 10/25/2025 | 20:21:04 | 70.36,-128.57 | 82.66 | 10/25/2025 | 20:22:05 | 70.38,-128.60 | 82.67 | 2.05 | 61 |
| 15 | 10/25/2025 | 21:11:47 | -70.30, 38.85 | 97.40 | 10/25/2025 | 21:11:35 | -70.28, 38.89 | 97.42 | 2.41 | 12 |
| 16 | 10/25/2025 | 22:02:20 | 69.63,-152.82 | 81.95 | 10/25/2025 | 22:01:11 | 69.67,-154.33 | 81.98 | 58.54 | 69 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/11/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/11/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9