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: 1/4/2026
| 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 | 01/04/2026 | 11:24:10 | 70.50, 5.97 | 93.13 | 01/04/2026 | 11:23:42 | 70.50, 5.89 | 93.14 | 2.83 | 28 |
| 2 | 01/04/2026 | 12:13:40 | -70.38, 173.42 | 86.99 | 01/04/2026 | 12:14:23 | -70.36, 173.43 | 87.02 | 2.54 | 43 |
| 3 | 01/07/2026 | 02:51:10 | -70.54, -45.73 | 87.14 | 01/07/2026 | 02:49:56 | -70.55, -45.73 | 87.12 | 1.07 | 74 |
| 4 | 01/07/2026 | 03:40:37 | 70.44, 121.76 | 92.77 | 01/07/2026 | 03:40:40 | 70.43, 121.77 | 92.76 | 0.63 | 3 |
| 5 | 01/07/2026 | 04:30:08 | -70.26, -70.85 | 87.41 | 01/07/2026 | 04:31:21 | -70.29, -70.68 | 87.40 | 6.81 | 73 |
| 6 | 01/09/2026 | 19:07:36 | -70.49, 70.10 | 87.54 | 01/09/2026 | 19:06:54 | -70.48, 70.14 | 87.54 | 2.04 | 42 |
| 7 | 01/09/2026 | 19:57:03 | 70.39,-122.41 | 92.36 | 01/09/2026 | 19:57:38 | 70.37,-122.37 | 92.34 | 2.20 | 35 |
| 8 | 01/12/2026 | 10:34:26 | 70.80, 18.83 | 92.36 | 01/12/2026 | 10:33:15 | 70.85, 17.99 | 92.44 | 30.88 | 71 |
| 9 | 01/12/2026 | 11:24:00 | -70.47,-174.04 | 87.97 | 01/12/2026 | 11:23:52 | -70.48,-174.08 | 87.95 | 2.15 | 8 |
| 10 | 01/12/2026 | 12:13:27 | 70.36, -6.55 | 91.92 | 01/12/2026 | 12:14:36 | 70.38, -6.61 | 91.94 | 2.98 | 69 |
| 11 | 01/15/2026 | 02:50:55 | 70.52, 134.30 | 91.63 | 01/15/2026 | 02:50:07 | 70.50, 134.34 | 91.62 | 2.71 | 48 |
| 12 | 01/15/2026 | 03:40:25 | -70.41, -58.23 | 88.49 | 01/15/2026 | 03:40:50 | -70.44, -58.24 | 88.46 | 3.42 | 25 |
| 13 | 01/17/2026 | 18:17:42 | -71.13, 83.49 | 88.29 | 01/17/2026 | 18:16:33 | -71.18, 81.66 | 88.17 | 66.13 | 69 |
| 14 | 01/17/2026 | 19:07:19 | 70.47,-109.87 | 91.08 | 01/17/2026 | 19:07:05 | 70.47,-109.84 | 91.08 | 0.98 | 14 |
| 15 | 01/17/2026 | 19:56:49 | -70.36, 57.61 | 89.04 | 01/17/2026 | 19:57:47 | -70.35, 57.67 | 89.06 | 2.63 | 58 |
Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/4/2026
Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/04/2026 in txt file.
Historial Predications of SNOs between LANDSAT-8 and NPP