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: 2/1/2025
| 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 | 02/03/2025 | 06:20:05 | -70.80, -99.64 | 92.69 | 02/03/2025 | 06:21:14 | -70.69, -98.08 | 92.88 | 58.46 | 69 |
| 2 | 02/03/2025 | 07:10:39 | 70.13, 68.74 | 86.59 | 02/03/2025 | 07:10:49 | 70.15, 68.77 | 86.61 | 2.71 | 10 |
| 3 | 02/03/2025 | 08:01:20 | -70.02,-123.77 | 93.55 | 02/03/2025 | 08:00:19 | -70.04,-123.75 | 93.51 | 2.74 | 61 |
| 4 | 02/05/2025 | 22:36:50 | -70.17, 17.12 | 94.17 | 02/05/2025 | 22:37:51 | -70.19, 17.06 | 94.16 | 3.00 | 61 |
| 5 | 02/05/2025 | 23:27:35 | 70.08,-175.42 | 85.73 | 02/05/2025 | 23:27:18 | 70.08,-175.45 | 85.73 | 0.99 | 17 |
| 6 | 02/06/2025 | 00:18:06 | -69.44, -7.15 | 94.97 | 02/06/2025 | 00:16:56 | -69.53, -8.57 | 94.80 | 56.37 | 70 |
| 7 | 02/08/2025 | 14:53:47 | -70.14, 132.93 | 95.04 | 02/08/2025 | 14:54:20 | -70.13, 132.86 | 95.06 | 3.09 | 33 |
| 8 | 02/08/2025 | 15:44:32 | 70.05, -59.62 | 84.85 | 02/08/2025 | 15:43:46 | 70.07, -59.58 | 84.88 | 3.28 | 46 |
| 9 | 02/11/2025 | 06:20:05 | 70.35, 81.05 | 84.33 | 02/11/2025 | 06:21:16 | 70.29, 81.34 | 84.25 | 12.71 | 71 |
| 10 | 02/11/2025 | 07:10:44 | -70.12,-111.29 | 95.93 | 02/11/2025 | 07:10:47 | -70.14,-111.25 | 95.92 | 1.79 | 3 |
| 11 | 02/11/2025 | 08:01:28 | 69.98, 56.24 | 83.92 | 02/11/2025 | 08:00:15 | 69.96, 56.15 | 83.91 | 3.71 | 73 |
| 12 | 02/13/2025 | 22:36:59 | 70.20,-162.96 | 83.27 | 02/13/2025 | 22:37:44 | 70.20,-162.91 | 83.26 | 1.97 | 45 |
| 13 | 02/13/2025 | 23:27:40 | -70.08, 4.55 | 96.87 | 02/13/2025 | 23:27:14 | -70.09, 4.58 | 96.86 | 2.40 | 26 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/1/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 02/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8