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: 6/29/2025
| 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 | 06/30/2025 | 13:26:50 | 70.27, -25.29 | 47.11 | 06/30/2025 | 13:27:24 | 70.27, -25.22 | 47.09 | 2.76 | 34 |
| 2 | 06/30/2025 | 14:17:31 | -70.13, 142.25 | 133.04 | 06/30/2025 | 14:16:54 | -70.15, 142.25 | 133.02 | 2.19 | 37 |
| 3 | 07/03/2025 | 04:53:11 | -70.86, -77.76 | 132.08 | 07/03/2025 | 04:54:20 | -70.73, -76.28 | 132.26 | 55.71 | 69 |
| 4 | 07/03/2025 | 05:43:45 | 70.22, 90.58 | 47.25 | 07/03/2025 | 05:43:55 | 70.19, 90.56 | 47.23 | 2.75 | 10 |
| 5 | 07/03/2025 | 06:34:26 | -70.08,-101.88 | 132.90 | 07/03/2025 | 06:33:25 | -70.08,-101.96 | 132.88 | 3.12 | 61 |
| 6 | 07/05/2025 | 21:09:56 | -70.28, 38.95 | 132.44 | 07/05/2025 | 21:10:58 | -70.27, 38.91 | 132.46 | 1.81 | 62 |
| 7 | 07/05/2025 | 22:00:40 | 70.16,-153.56 | 47.44 | 07/05/2025 | 22:00:25 | 70.16,-153.60 | 47.44 | 1.63 | 15 |
| 8 | 07/05/2025 | 22:51:13 | -69.60, 14.61 | 133.14 | 07/05/2025 | 22:50:03 | -69.62, 13.27 | 133.07 | 51.72 | 70 |
| 9 | 07/08/2025 | 13:26:51 | -70.23, 154.80 | 132.20 | 07/08/2025 | 13:27:28 | -70.23, 154.74 | 132.20 | 2.44 | 37 |
| 10 | 07/08/2025 | 14:17:35 | 70.11, -37.70 | 47.69 | 07/08/2025 | 14:16:55 | 70.12, -37.78 | 47.70 | 2.91 | 40 |
| 11 | 07/11/2025 | 04:53:11 | 70.69, 102.52 | 48.63 | 07/11/2025 | 04:54:21 | 70.60, 103.54 | 48.49 | 38.81 | 70 |
| 12 | 07/11/2025 | 05:43:46 | -70.24, -89.43 | 131.85 | 07/11/2025 | 05:43:56 | -70.23, -89.38 | 131.86 | 2.31 | 10 |
| 13 | 07/11/2025 | 06:34:30 | 70.12, 78.06 | 48.03 | 07/11/2025 | 06:33:23 | 70.11, 78.10 | 48.04 | 1.64 | 67 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/29/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9