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: 3/31/2025
| 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 | 03/31/2025 | 06:20:00 | 70.20, 81.22 | 65.89 | 03/31/2025 | 06:20:57 | 70.18, 81.17 | 65.87 | 2.38 | 57 |
| 2 | 03/31/2025 | 07:10:42 | -70.09,-111.30 | 114.24 | 03/31/2025 | 07:10:27 | -70.07,-111.36 | 114.25 | 3.13 | 15 |
| 3 | 03/31/2025 | 08:01:13 | 69.30, 57.16 | 64.94 | 03/31/2025 | 08:00:05 | 69.36, 55.31 | 65.06 | 72.89 | 68 |
| 4 | 04/02/2025 | 22:36:52 | 70.20,-163.00 | 64.86 | 04/02/2025 | 22:37:26 | 70.18,-162.96 | 64.84 | 2.16 | 34 |
| 5 | 04/02/2025 | 23:27:34 | -70.08, 4.49 | 115.28 | 04/02/2025 | 23:26:56 | -70.07, 4.51 | 115.29 | 1.60 | 38 |
| 6 | 04/05/2025 | 14:03:09 | -70.81, 144.49 | 115.51 | 04/05/2025 | 14:04:18 | -70.74, 146.09 | 115.65 | 59.28 | 69 |
| 7 | 04/05/2025 | 14:53:42 | 70.16, -47.16 | 63.79 | 04/05/2025 | 14:53:54 | 70.14, -47.15 | 63.77 | 2.05 | 12 |
| 8 | 04/05/2025 | 15:44:24 | -70.04, 120.34 | 116.35 | 04/05/2025 | 15:43:24 | -70.03, 120.33 | 116.35 | 1.03 | 60 |
| 9 | 04/08/2025 | 06:19:49 | -70.20, -98.76 | 117.16 | 04/08/2025 | 06:20:55 | -70.22, -98.80 | 117.16 | 2.08 | 66 |
| 10 | 04/08/2025 | 07:10:33 | 70.13, 68.67 | 62.75 | 04/08/2025 | 07:10:22 | 70.10, 68.69 | 62.72 | 2.63 | 11 |
| 11 | 04/08/2025 | 08:01:09 | -69.69,-123.35 | 117.73 | 04/08/2025 | 07:59:57 | -69.72,-124.21 | 117.66 | 33.47 | 72 |
| 12 | 04/10/2025 | 22:36:40 | -70.18, 17.06 | 118.18 | 04/10/2025 | 22:37:22 | -70.20, 17.06 | 118.18 | 1.40 | 42 |
| 13 | 04/10/2025 | 23:27:23 | 70.06,-175.44 | 61.68 | 04/10/2025 | 23:26:49 | 70.08,-175.46 | 61.71 | 2.81 | 34 |
| 14 | 04/13/2025 | 14:03:01 | 70.94, -35.68 | 61.64 | 04/13/2025 | 14:04:09 | 70.79, -33.82 | 61.43 | 70.07 | 68 |
| 15 | 04/13/2025 | 14:53:31 | -70.18, 132.86 | 119.17 | 04/13/2025 | 14:53:48 | -70.19, 132.93 | 119.16 | 3.16 | 17 |
| 16 | 04/13/2025 | 15:44:14 | 70.06, -59.65 | 60.70 | 04/13/2025 | 15:43:15 | 70.07, -59.59 | 60.72 | 2.97 | 59 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/31/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/31/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8