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: 10/30/2025
| 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 | 10/31/2025 | 04:04:19 | -70.71, -64.90 | 95.23 | 10/31/2025 | 04:05:30 | -70.59, -64.16 | 95.35 | 30.28 | 71 |
| 2 | 10/31/2025 | 04:54:58 | 70.34, 103.01 | 84.42 | 10/31/2025 | 04:55:00 | 70.32, 103.09 | 84.40 | 3.48 | 2 |
| 3 | 10/31/2025 | 05:45:39 | -70.19, -89.44 | 95.72 | 10/31/2025 | 05:44:30 | -70.21, -89.43 | 95.71 | 2.55 | 69 |
| 4 | 11/02/2025 | 20:21:09 | -70.40, 51.39 | 94.69 | 11/02/2025 | 20:22:04 | -70.40, 51.43 | 94.68 | 1.82 | 55 |
| 5 | 11/02/2025 | 21:11:53 | 70.29,-141.13 | 85.22 | 11/02/2025 | 21:11:31 | 70.30,-141.08 | 85.23 | 2.35 | 22 |
| 6 | 11/02/2025 | 22:02:21 | -69.45, 27.45 | 95.60 | 11/02/2025 | 22:01:13 | -69.53, 25.49 | 95.54 | 76.83 | 68 |
| 7 | 11/05/2025 | 12:38:05 | -70.35, 167.23 | 93.91 | 11/05/2025 | 12:38:36 | -70.35, 167.23 | 93.91 | 0.15 | 31 |
| 8 | 11/05/2025 | 13:28:49 | 70.24, -25.28 | 85.99 | 11/05/2025 | 13:28:03 | 70.24, -25.28 | 85.99 | 0.18 | 46 |
| 9 | 11/08/2025 | 04:04:23 | 70.62, 115.26 | 87.15 | 11/08/2025 | 04:05:35 | 70.54, 115.75 | 87.06 | 20.38 | 72 |
| 10 | 11/08/2025 | 04:55:01 | -70.32, -76.93 | 93.15 | 11/08/2025 | 04:55:07 | -70.33, -76.93 | 93.15 | 0.77 | 6 |
| 11 | 11/08/2025 | 05:45:45 | 70.21, 90.55 | 86.75 | 11/08/2025 | 05:44:34 | 70.21, 90.55 | 86.75 | 0.80 | 71 |
| 12 | 11/10/2025 | 20:21:15 | 70.39,-128.58 | 87.67 | 11/10/2025 | 20:22:08 | 70.37,-128.63 | 87.65 | 2.68 | 53 |
| 13 | 11/10/2025 | 21:11:57 | -70.29, 38.88 | 92.42 | 11/10/2025 | 21:11:38 | -70.27, 38.86 | 92.45 | 2.85 | 19 |
| 14 | 11/10/2025 | 22:02:25 | 69.33,-152.37 | 86.64 | 11/10/2025 | 22:01:19 | 69.38,-154.72 | 86.67 | 92.48 | 66 |
| 15 | 11/13/2025 | 12:38:10 | 70.37, -12.78 | 88.37 | 11/13/2025 | 12:38:36 | 70.39, -12.72 | 88.39 | 3.06 | 26 |
| 16 | 11/13/2025 | 13:28:51 | -70.22, 154.77 | 91.77 | 11/13/2025 | 13:28:07 | -70.24, 154.69 | 91.76 | 3.13 | 44 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/30/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/30/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9