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: 3/26/2025
| 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 | 03/28/2025 | 14:03:12 | 70.42, -34.92 | 67.18 | 03/28/2025 | 14:04:23 | 70.36, -34.45 | 67.09 | 19.07 | 71 |
| 2 | 03/28/2025 | 14:53:51 | -70.16, 132.81 | 113.12 | 03/28/2025 | 14:53:55 | -70.14, 132.87 | 113.14 | 3.27 | 4 |
| 3 | 03/28/2025 | 15:44:34 | 70.01, -59.65 | 66.72 | 03/28/2025 | 15:43:22 | 70.03, -59.64 | 66.74 | 1.89 | 72 |
| 4 | 03/31/2025 | 06:20:00 | 70.21, 81.20 | 65.91 | 03/31/2025 | 06:20:51 | 70.23, 81.25 | 65.91 | 2.54 | 51 |
| 5 | 03/31/2025 | 07:10:42 | -70.10,-111.31 | 114.23 | 03/31/2025 | 07:10:21 | -70.12,-111.27 | 114.21 | 2.51 | 21 |
| 6 | 03/31/2025 | 08:01:09 | 69.10, 57.45 | 64.73 | 03/31/2025 | 08:00:03 | 69.17, 55.09 | 64.88 | 93.54 | 66 |
| 7 | 04/02/2025 | 22:36:51 | 70.17,-162.96 | 64.83 | 04/02/2025 | 22:37:16 | 70.19,-162.91 | 64.84 | 2.32 | 25 |
| 8 | 04/02/2025 | 23:27:33 | -70.06, 4.54 | 115.31 | 04/02/2025 | 23:26:46 | -70.08, 4.57 | 115.28 | 2.82 | 47 |
| 9 | 04/05/2025 | 14:02:59 | -70.34, 145.25 | 116.01 | 04/05/2025 | 14:04:11 | -70.30, 145.51 | 116.06 | 10.40 | 72 |
| 10 | 04/05/2025 | 14:53:40 | 70.11, -47.07 | 63.74 | 04/05/2025 | 14:53:39 | 70.13, -47.09 | 63.76 | 2.89 | 1 |
| 11 | 04/05/2025 | 15:44:22 | -69.98, 120.43 | 116.41 | 04/05/2025 | 15:43:10 | -69.97, 120.31 | 116.41 | 4.71 | 72 |
| 12 | 04/08/2025 | 06:19:47 | -70.18, -98.72 | 117.19 | 04/08/2025 | 06:20:35 | -70.18, -98.76 | 117.19 | 1.80 | 48 |
| 13 | 04/08/2025 | 07:10:30 | 70.06, 68.78 | 62.68 | 04/08/2025 | 07:10:02 | 70.06, 68.71 | 62.68 | 2.76 | 28 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/26/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8