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: 7/24/2025
| 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 | 07/24/2025 | 13:26:54 | -70.29, 154.75 | 129.45 | 07/24/2025 | 13:27:35 | -70.28, 154.80 | 129.48 | 2.64 | 41 |
| 2 | 07/24/2025 | 14:17:38 | 70.15, -37.72 | 50.40 | 07/24/2025 | 14:17:02 | 70.18, -37.70 | 50.43 | 3.00 | 36 |
| 3 | 07/27/2025 | 04:53:17 | 70.92, 102.20 | 51.79 | 07/27/2025 | 04:54:26 | 70.81, 103.85 | 51.62 | 61.34 | 69 |
| 4 | 07/27/2025 | 05:43:47 | -70.23, -89.36 | 128.94 | 07/27/2025 | 05:44:05 | -70.22, -89.41 | 128.95 | 2.05 | 18 |
| 5 | 07/27/2025 | 06:34:32 | 70.13, 78.09 | 50.98 | 07/27/2025 | 06:33:32 | 70.11, 78.08 | 50.96 | 3.01 | 60 |
| 6 | 07/29/2025 | 21:10:00 | 70.28,-140.98 | 51.74 | 07/29/2025 | 21:11:05 | 70.29,-141.05 | 51.74 | 2.71 | 65 |
| 7 | 07/29/2025 | 22:00:42 | -70.21, 26.44 | 128.32 | 07/29/2025 | 22:00:35 | -70.19, 26.44 | 128.35 | 3.05 | 7 |
| 8 | 07/29/2025 | 22:51:19 | 69.70,-165.48 | 51.15 | 07/29/2025 | 22:50:08 | 69.74,-166.54 | 51.24 | 41.10 | 71 |
| 9 | 08/01/2025 | 13:26:55 | 70.27, -25.20 | 52.40 | 08/01/2025 | 13:27:34 | 70.29, -25.16 | 52.41 | 2.76 | 39 |
| 10 | 08/01/2025 | 14:17:36 | -70.16, 142.31 | 127.72 | 08/01/2025 | 14:17:05 | -70.14, 142.25 | 127.73 | 2.71 | 31 |
| 11 | 08/04/2025 | 04:53:18 | -71.04, -77.97 | 126.11 | 08/04/2025 | 04:54:26 | -70.94, -75.94 | 126.29 | 74.18 | 68 |
| 12 | 08/04/2025 | 05:43:49 | 70.22, 90.66 | 53.04 | 08/04/2025 | 05:44:04 | 70.23, 90.63 | 53.04 | 1.21 | 15 |
| 13 | 08/04/2025 | 06:34:31 | -70.15,-101.91 | 127.03 | 08/04/2025 | 06:33:34 | -70.13,-101.88 | 127.05 | 3.20 | 57 |
| 14 | 08/06/2025 | 21:09:58 | -70.31, 39.00 | 126.15 | 08/06/2025 | 21:11:05 | -70.31, 39.00 | 126.16 | 0.33 | 67 |
| 15 | 08/06/2025 | 22:00:42 | 70.18,-153.49 | 53.72 | 08/06/2025 | 22:00:32 | 70.19,-153.53 | 53.74 | 2.27 | 10 |
| 16 | 08/06/2025 | 22:51:18 | -69.79, 14.42 | 126.68 | 08/06/2025 | 22:50:06 | -69.88, 13.65 | 126.56 | 31.11 | 72 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/24/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/24/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9