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: 3/23/2025
| 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 | 03/23/2025 | 06:20:07 | -70.20, -98.80 | 110.97 | 03/23/2025 | 06:21:00 | -70.18, -98.83 | 110.99 | 2.26 | 53 |
| 2 | 03/23/2025 | 07:10:51 | 70.09, 68.67 | 68.91 | 03/23/2025 | 07:10:27 | 70.07, 68.66 | 68.90 | 1.76 | 24 |
| 3 | 03/23/2025 | 08:01:18 | -69.20,-122.71 | 112.03 | 03/23/2025 | 08:00:10 | -69.25,-124.83 | 111.90 | 83.85 | 68 |
| 4 | 03/25/2025 | 22:36:58 | -70.14, 17.06 | 112.08 | 03/25/2025 | 22:37:28 | -70.14, 16.99 | 112.09 | 2.86 | 30 |
| 5 | 03/25/2025 | 23:27:42 | 70.04,-175.48 | 67.81 | 03/25/2025 | 23:26:55 | 70.03,-175.52 | 67.80 | 2.09 | 47 |
| 6 | 03/28/2025 | 14:03:12 | 70.43, -34.92 | 67.18 | 03/28/2025 | 14:04:23 | 70.35, -34.45 | 67.08 | 19.54 | 71 |
| 7 | 03/28/2025 | 14:53:50 | -70.11, 132.89 | 113.17 | 03/28/2025 | 14:53:55 | -70.14, 132.87 | 113.15 | 3.24 | 5 |
| 8 | 03/28/2025 | 15:44:34 | 70.02, -59.66 | 66.72 | 03/28/2025 | 15:43:22 | 70.02, -59.65 | 66.74 | 0.85 | 72 |
| 9 | 03/31/2025 | 06:20:00 | 70.21, 81.19 | 65.91 | 03/31/2025 | 06:20:51 | 70.22, 81.24 | 65.91 | 1.82 | 51 |
| 10 | 03/31/2025 | 07:10:42 | -70.10,-111.31 | 114.23 | 03/31/2025 | 07:10:21 | -70.11,-111.28 | 114.21 | 2.10 | 21 |
| 11 | 03/31/2025 | 08:01:09 | 69.11, 57.44 | 64.74 | 03/31/2025 | 08:00:03 | 69.17, 55.08 | 64.88 | 93.54 | 66 |
| 12 | 04/02/2025 | 22:36:51 | 70.18,-162.97 | 64.84 | 04/02/2025 | 22:37:16 | 70.18,-162.93 | 64.83 | 1.62 | 25 |
| 13 | 04/02/2025 | 23:27:33 | -70.06, 4.53 | 115.31 | 04/02/2025 | 23:26:46 | -70.07, 4.56 | 115.29 | 1.79 | 47 |
| 14 | 04/05/2025 | 14:02:59 | -70.34, 145.25 | 116.01 | 04/05/2025 | 14:04:11 | -70.29, 145.49 | 116.08 | 10.77 | 72 |
| 15 | 04/05/2025 | 14:53:40 | 70.11, -47.08 | 63.74 | 04/05/2025 | 14:53:39 | 70.11, -47.11 | 63.74 | 1.27 | 1 |
| 16 | 04/05/2025 | 15:44:22 | -69.98, 120.43 | 116.41 | 04/05/2025 | 15:43:09 | -70.01, 120.37 | 116.37 | 3.46 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/23/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8