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: 4/21/2025
| 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 | 04/21/2025 | 14:53:16 | 70.16, -47.07 | 58.01 | 04/21/2025 | 14:53:41 | 70.17, -47.09 | 58.02 | 1.39 | 25 |
| 2 | 04/21/2025 | 15:43:58 | -70.05, 120.42 | 122.12 | 04/21/2025 | 15:43:11 | -70.05, 120.37 | 122.12 | 1.95 | 47 |
| 3 | 04/24/2025 | 06:19:26 | -70.45, -99.04 | 122.58 | 04/24/2025 | 06:20:37 | -70.38, -98.54 | 122.66 | 20.22 | 71 |
| 4 | 04/24/2025 | 07:10:06 | 70.16, 68.72 | 57.11 | 04/24/2025 | 07:10:06 | 70.17, 68.80 | 57.12 | 3.19 | 0 |
| 5 | 04/24/2025 | 08:00:48 | -70.04,-123.78 | 123.02 | 04/24/2025 | 07:59:36 | -70.05,-123.73 | 123.01 | 2.21 | 72 |
| 6 | 04/26/2025 | 22:36:12 | -70.25, 17.07 | 123.65 | 04/26/2025 | 22:37:04 | -70.24, 17.15 | 123.67 | 3.10 | 52 |
| 7 | 04/26/2025 | 23:26:55 | 70.11,-175.42 | 56.20 | 04/26/2025 | 23:26:31 | 70.14,-175.36 | 56.22 | 3.13 | 24 |
| 8 | 04/27/2025 | 00:17:22 | -69.20, -6.76 | 124.75 | 04/27/2025 | 00:16:15 | -69.25, -8.93 | 124.65 | 85.74 | 67 |
| 9 | 04/29/2025 | 14:52:59 | -70.16, 132.99 | 124.59 | 04/29/2025 | 14:53:28 | -70.17, 132.94 | 124.58 | 2.26 | 29 |
| 10 | 04/29/2025 | 15:43:43 | 70.08, -59.57 | 55.32 | 04/29/2025 | 15:42:55 | 70.06, -59.57 | 55.31 | 2.19 | 48 |
| 11 | 05/02/2025 | 06:19:09 | 70.41, 81.08 | 54.88 | 05/02/2025 | 06:20:20 | 70.34, 81.45 | 54.79 | 16.11 | 71 |
| 12 | 05/02/2025 | 07:09:48 | -70.14,-111.18 | 125.42 | 05/02/2025 | 07:09:52 | -70.12,-111.24 | 125.44 | 3.22 | 4 |
| 13 | 05/02/2025 | 08:00:31 | 70.00, 56.34 | 54.43 | 05/02/2025 | 07:59:19 | 70.00, 56.25 | 54.44 | 3.40 | 72 |
| 14 | 05/04/2025 | 22:35:55 | 70.24,-162.86 | 53.92 | 05/04/2025 | 22:36:44 | 70.25,-162.79 | 53.92 | 2.79 | 49 |
| 15 | 05/04/2025 | 23:26:37 | -70.13, 4.64 | 126.21 | 05/04/2025 | 23:26:14 | -70.14, 4.69 | 126.21 | 2.35 | 23 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/21/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8