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: 2/17/2025
| 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 | 02/19/2025 | 06:20:07 | -70.19, -98.75 | 98.60 | 02/19/2025 | 06:21:16 | -70.18, -98.82 | 98.62 | 3.02 | 69 |
| 2 | 02/19/2025 | 07:10:52 | 70.10, 68.71 | 81.29 | 02/19/2025 | 07:10:43 | 70.08, 68.67 | 81.28 | 2.45 | 9 |
| 3 | 02/19/2025 | 08:01:28 | -69.72,-123.41 | 99.12 | 02/19/2025 | 08:00:16 | -69.80,-124.08 | 99.00 | 27.41 | 72 |
| 4 | 02/21/2025 | 22:37:04 | -70.20, 17.00 | 99.56 | 02/21/2025 | 22:37:43 | -70.19, 17.06 | 99.58 | 2.96 | 39 |
| 5 | 02/21/2025 | 23:27:48 | 70.06,-175.47 | 80.28 | 02/21/2025 | 23:27:10 | 70.08,-175.45 | 80.30 | 2.28 | 38 |
| 6 | 02/24/2025 | 14:03:25 | 70.61, -35.20 | 79.90 | 02/24/2025 | 14:04:35 | 70.52, -34.19 | 79.76 | 38.61 | 70 |
| 7 | 02/24/2025 | 14:53:59 | -70.12, 132.89 | 100.63 | 02/24/2025 | 14:54:10 | -70.14, 132.89 | 100.61 | 2.70 | 11 |
| 8 | 02/24/2025 | 15:44:44 | 70.03, -59.67 | 79.27 | 02/24/2025 | 15:43:37 | 70.03, -59.63 | 79.27 | 1.80 | 67 |
| 9 | 02/27/2025 | 06:20:13 | 70.17, 81.24 | 78.44 | 02/27/2025 | 06:21:07 | 70.16, 81.17 | 78.41 | 3.57 | 54 |
| 10 | 02/27/2025 | 07:10:54 | -70.10,-111.32 | 101.66 | 02/27/2025 | 07:10:35 | -70.11,-111.27 | 101.65 | 2.18 | 19 |
| 11 | 02/27/2025 | 08:01:23 | 69.17, 57.34 | 77.36 | 02/27/2025 | 08:00:16 | 69.22, 55.16 | 77.51 | 86.37 | 67 |
| 12 | 03/01/2025 | 22:37:07 | 70.12,-162.91 | 77.37 | 03/01/2025 | 22:37:31 | 70.13,-162.98 | 77.37 | 2.52 | 24 |
| 13 | 03/01/2025 | 23:27:49 | -70.04, 4.53 | 102.74 | 03/01/2025 | 23:27:01 | -70.03, 4.51 | 102.75 | 1.90 | 48 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/17/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 02/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8