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: 11/4/2025
| 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 | 11/04/2025 | 23:26:57 | 70.11,-175.43 | 85.68 | 11/04/2025 | 23:27:32 | 70.10,-175.38 | 85.67 | 1.88 | 35 |
| 2 | 11/05/2025 | 00:17:38 | -69.99, -7.93 | 94.43 | 11/05/2025 | 00:17:02 | -69.99, -7.91 | 94.44 | 0.92 | 36 |
| 3 | 11/07/2025 | 14:53:15 | -70.87, 131.85 | 92.77 | 11/07/2025 | 14:54:23 | -70.79, 133.88 | 92.84 | 74.52 | 68 |
| 4 | 11/07/2025 | 15:43:46 | 70.06, -59.55 | 86.43 | 11/07/2025 | 15:44:02 | 70.03, -59.60 | 86.40 | 3.14 | 16 |
| 5 | 11/07/2025 | 16:34:27 | -69.93, 107.95 | 93.69 | 11/07/2025 | 16:33:32 | -69.92, 107.88 | 93.70 | 2.89 | 55 |
| 6 | 11/10/2025 | 07:09:51 | -70.19,-111.27 | 92.69 | 11/10/2025 | 07:11:02 | -70.16,-111.17 | 92.72 | 4.46 | 71 |
| 7 | 11/10/2025 | 08:00:34 | 70.01, 56.31 | 87.15 | 11/10/2025 | 08:00:30 | 70.00, 56.24 | 87.13 | 3.18 | 4 |
| 8 | 11/10/2025 | 08:51:14 | -69.83,-136.10 | 93.03 | 11/10/2025 | 08:50:00 | -69.89,-136.28 | 92.97 | 9.57 | 74 |
| 9 | 11/12/2025 | 23:26:39 | -70.09, 4.68 | 92.06 | 11/12/2025 | 23:27:31 | -70.11, 4.63 | 92.04 | 2.60 | 52 |
| 10 | 11/13/2025 | 00:17:23 | 69.98, 172.16 | 87.84 | 11/13/2025 | 00:16:58 | 70.00, 172.12 | 87.86 | 2.64 | 25 |
| 11 | 11/13/2025 | 01:07:49 | -69.05, -19.17 | 93.08 | 11/13/2025 | 01:06:42 | -69.12, -21.43 | 93.01 | 90.02 | 67 |
| 12 | 11/15/2025 | 15:43:29 | -70.11, 120.45 | 91.35 | 11/15/2025 | 15:43:59 | -70.09, 120.49 | 91.37 | 2.57 | 30 |
| 13 | 11/15/2025 | 16:34:12 | 69.95, -71.99 | 88.50 | 11/15/2025 | 16:33:26 | 69.97, -72.03 | 88.53 | 3.01 | 46 |
| 14 | 11/18/2025 | 07:09:42 | 70.49, 68.33 | 89.68 | 11/18/2025 | 07:10:53 | 70.36, 69.14 | 89.55 | 33.20 | 71 |
| 15 | 11/18/2025 | 08:00:17 | -70.02,-123.62 | 90.78 | 11/18/2025 | 08:00:27 | -70.04,-123.69 | 90.77 | 3.35 | 10 |
| 16 | 11/18/2025 | 08:51:01 | 69.92, 43.84 | 89.13 | 11/18/2025 | 08:49:54 | 69.92, 43.79 | 89.13 | 1.94 | 67 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 11/4/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 11/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8