Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/1/2025
| Index | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 01/01/2025 | 14:41:58 | 70.10, -44.06 | 92.99 | 01/01/2025 | 14:41:35 | 70.10, -44.14 | 93.00 | 3.14 | 23 |
| 2 | 01/01/2025 | 15:31:28 | -69.98, 123.42 | 87.13 | 01/01/2025 | 15:32:16 | -69.95, 123.42 | 87.16 | 3.63 | 48 |
| 3 | 01/04/2025 | 06:09:01 | -70.14, -95.76 | 87.22 | 01/04/2025 | 06:07:48 | -70.15, -95.75 | 87.20 | 1.07 | 73 |
| 4 | 01/04/2025 | 06:58:28 | 70.03, 71.74 | 92.68 | 01/04/2025 | 06:58:32 | 70.05, 71.72 | 92.69 | 1.35 | 4 |
| 5 | 01/04/2025 | 07:47:59 | -69.87,-120.86 | 87.49 | 01/04/2025 | 07:49:12 | -69.83,-120.65 | 87.54 | 9.23 | 73 |
| 6 | 01/06/2025 | 22:25:29 | -70.12, 20.09 | 87.55 | 01/06/2025 | 22:24:45 | -70.10, 20.08 | 87.56 | 1.71 | 44 |
| 7 | 01/06/2025 | 23:14:56 | 70.01,-172.42 | 92.35 | 01/06/2025 | 23:15:29 | 70.01,-172.46 | 92.34 | 1.66 | 33 |
| 8 | 01/09/2025 | 13:52:18 | 70.57, -30.99 | 92.54 | 01/09/2025 | 13:51:08 | 70.67, -32.36 | 92.69 | 51.80 | 70 |
| 9 | 01/09/2025 | 14:41:55 | -70.08, 135.93 | 87.95 | 01/09/2025 | 14:41:41 | -70.08, 135.89 | 87.94 | 1.56 | 14 |
| 10 | 01/09/2025 | 15:31:22 | 69.97, -56.58 | 91.95 | 01/09/2025 | 15:32:25 | 69.99, -56.66 | 91.96 | 3.65 | 63 |
| 11 | 01/12/2025 | 06:08:51 | 70.13, 84.26 | 91.70 | 01/12/2025 | 06:07:55 | 70.14, 84.24 | 91.73 | 1.64 | 56 |
| 12 | 01/12/2025 | 06:58:21 | -70.02,-108.26 | 88.41 | 01/12/2025 | 06:58:37 | -70.02,-108.26 | 88.41 | 0.18 | 16 |
| 13 | 01/12/2025 | 07:48:00 | 69.24, 58.33 | 90.85 | 01/12/2025 | 07:49:08 | 69.24, 60.19 | 90.78 | 73.49 | 68 |
| 14 | 01/14/2025 | 22:25:15 | 70.11,-159.87 | 91.22 | 01/14/2025 | 22:24:51 | 70.11,-159.94 | 91.23 | 2.60 | 24 |
| 15 | 01/14/2025 | 23:14:45 | -70.00, 7.62 | 88.89 | 01/14/2025 | 23:15:33 | -69.98, 7.57 | 88.91 | 2.81 | 48 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/1/2025
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/01/2025 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP