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: 3/24/2025
| 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 | 03/25/2025 | 22:36:59 | -70.14, 17.06 | 112.08 | 03/25/2025 | 22:37:29 | -70.14, 16.98 | 112.09 | 3.01 | 30 |
| 2 | 03/25/2025 | 23:27:42 | 70.05,-175.48 | 67.81 | 03/25/2025 | 23:26:55 | 70.03,-175.52 | 67.80 | 2.50 | 47 |
| 3 | 03/28/2025 | 14:03:12 | 70.43, -34.93 | 67.19 | 03/28/2025 | 14:04:23 | 70.35, -34.46 | 67.08 | 19.84 | 71 |
| 4 | 03/28/2025 | 14:53:50 | -70.11, 132.89 | 113.17 | 03/28/2025 | 14:53:55 | -70.13, 132.86 | 113.15 | 2.41 | 5 |
| 5 | 03/28/2025 | 15:44:34 | 70.02, -59.66 | 66.73 | 03/28/2025 | 15:43:22 | 70.02, -59.65 | 66.74 | 0.47 | 72 |
| 6 | 03/31/2025 | 06:20:00 | 70.22, 81.19 | 65.92 | 03/31/2025 | 06:20:51 | 70.22, 81.24 | 65.91 | 1.81 | 51 |
| 7 | 03/31/2025 | 07:10:42 | -70.10,-111.32 | 114.22 | 03/31/2025 | 07:10:21 | -70.11,-111.28 | 114.22 | 1.58 | 21 |
| 8 | 03/31/2025 | 08:01:09 | 69.11, 57.44 | 64.74 | 03/31/2025 | 08:00:03 | 69.17, 55.08 | 64.88 | 93.45 | 66 |
| 9 | 04/02/2025 | 22:36:51 | 70.18,-162.97 | 64.84 | 04/02/2025 | 22:37:16 | 70.17,-162.93 | 64.83 | 1.80 | 25 |
| 10 | 04/02/2025 | 23:27:33 | -70.06, 4.53 | 115.30 | 04/02/2025 | 23:26:46 | -70.07, 4.55 | 115.29 | 1.38 | 47 |
| 11 | 04/05/2025 | 14:03:00 | -70.34, 145.25 | 116.00 | 04/05/2025 | 14:04:12 | -70.29, 145.49 | 116.08 | 11.04 | 72 |
| 12 | 04/05/2025 | 14:53:41 | 70.11, -47.08 | 63.75 | 04/05/2025 | 14:53:40 | 70.11, -47.11 | 63.75 | 1.14 | 1 |
| 13 | 04/05/2025 | 15:44:22 | -69.99, 120.42 | 116.40 | 04/05/2025 | 15:43:09 | -70.01, 120.37 | 116.37 | 3.17 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/24/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8