Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/28/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 11/28/2025 | 22:37:01 | 70.14,-162.97 | 91.50 | 11/28/2025 | 22:38:04 | 70.14,-162.97 | 91.51 | 0.41 | 63 |
| 2 | 11/28/2025 | 23:27:43 | -70.04, 4.51 | 88.60 | 11/28/2025 | 23:27:34 | -70.03, 4.51 | 88.61 | 0.79 | 9 |
| 3 | 11/29/2025 | 00:18:18 | 69.45, 172.69 | 90.82 | 11/29/2025 | 00:17:08 | 69.54, 171.47 | 90.92 | 48.26 | 70 |
| 4 | 12/01/2025 | 14:53:59 | 70.08, -47.13 | 91.88 | 12/01/2025 | 14:54:32 | 70.07, -47.18 | 91.87 | 2.39 | 33 |
| 5 | 12/01/2025 | 15:44:41 | -69.97, 120.36 | 88.23 | 12/01/2025 | 15:44:02 | -69.96, 120.30 | 88.25 | 2.67 | 39 |
| 6 | 12/04/2025 | 06:20:19 | -70.39, -99.16 | 87.44 | 12/04/2025 | 06:21:30 | -70.31, -98.61 | 87.53 | 23.00 | 71 |
| 7 | 12/04/2025 | 07:10:58 | 70.04, 68.70 | 92.21 | 12/04/2025 | 07:11:00 | 70.03, 68.65 | 92.21 | 2.13 | 2 |
| 8 | 12/04/2025 | 08:01:40 | -69.92,-123.80 | 87.91 | 12/04/2025 | 08:00:30 | -69.92,-123.87 | 87.90 | 2.60 | 70 |
| 9 | 12/06/2025 | 22:37:14 | -70.14, 16.99 | 87.37 | 12/06/2025 | 22:38:00 | -70.13, 17.03 | 87.37 | 1.59 | 46 |
| 10 | 12/06/2025 | 23:27:57 | 69.99,-175.48 | 92.50 | 12/06/2025 | 23:27:27 | 70.02,-175.48 | 92.52 | 2.90 | 30 |
| 11 | 12/09/2025 | 14:03:40 | 70.70, -35.46 | 93.49 | 12/09/2025 | 14:04:49 | 70.64, -33.96 | 93.41 | 55.61 | 69 |
| 12 | 12/09/2025 | 14:54:13 | -70.10, 132.81 | 87.13 | 12/09/2025 | 14:54:27 | -70.10, 132.88 | 87.13 | 2.57 | 14 |
| 13 | 12/09/2025 | 15:44:56 | 69.96, -59.67 | 92.74 | 12/09/2025 | 15:43:54 | 69.98, -59.64 | 92.76 | 2.75 | 62 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/28/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8