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: 3/13/2025
| 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 | 03/15/2025 | 06:20:12 | 70.17, 81.23 | 72.19 | 03/15/2025 | 06:21:04 | 70.19, 81.19 | 72.21 | 2.93 | 52 |
| 2 | 03/15/2025 | 07:10:54 | -70.08,-111.32 | 107.92 | 03/15/2025 | 07:10:34 | -70.08,-111.34 | 107.92 | 0.80 | 20 |
| 3 | 03/15/2025 | 08:01:22 | 69.11, 57.40 | 71.06 | 03/15/2025 | 08:00:16 | 69.14, 55.04 | 71.19 | 93.72 | 66 |
| 4 | 03/17/2025 | 22:37:05 | 70.15,-162.97 | 71.11 | 03/17/2025 | 22:37:29 | 70.17,-162.95 | 71.12 | 2.75 | 24 |
| 5 | 03/17/2025 | 23:27:47 | -70.05, 4.49 | 109.01 | 03/17/2025 | 23:26:59 | -70.06, 4.53 | 109.00 | 1.63 | 48 |
| 6 | 03/20/2025 | 14:03:16 | -70.29, 145.27 | 109.80 | 03/20/2025 | 14:04:27 | -70.27, 145.44 | 109.84 | 6.81 | 71 |
| 7 | 03/20/2025 | 14:53:58 | 70.09, -47.10 | 69.98 | 03/20/2025 | 14:53:55 | 70.10, -47.16 | 69.99 | 2.75 | 3 |
| 8 | 03/20/2025 | 15:44:39 | -69.93, 120.45 | 110.21 | 03/20/2025 | 15:43:26 | -69.94, 120.25 | 110.18 | 7.77 | 73 |
| 9 | 03/23/2025 | 06:20:08 | -70.18, -98.79 | 110.98 | 03/23/2025 | 06:20:52 | -70.21, -98.75 | 110.96 | 3.20 | 44 |
| 10 | 03/23/2025 | 07:10:52 | 70.09, 68.67 | 68.91 | 03/23/2025 | 07:10:19 | 70.09, 68.73 | 68.92 | 2.26 | 33 |
| 11 | 03/25/2025 | 21:46:29 | 70.78,-151.28 | 68.61 | 03/25/2025 | 21:47:38 | 70.70,-149.77 | 68.46 | 56.17 | 69 |
| 12 | 03/25/2025 | 22:37:01 | -70.14, 17.06 | 112.09 | 03/25/2025 | 22:37:16 | -70.15, 17.06 | 112.08 | 1.60 | 15 |
| 13 | 03/25/2025 | 23:27:45 | 70.05,-175.50 | 67.81 | 03/25/2025 | 23:26:43 | 70.03,-175.46 | 67.80 | 2.46 | 62 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/13/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8