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: 4/23/2025
| 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 | 04/24/2025 | 06:19:27 | -70.39, -98.96 | 122.63 | 04/24/2025 | 06:20:38 | -70.33, -98.62 | 122.71 | 14.73 | 71 |
| 2 | 04/24/2025 | 07:10:08 | 70.14, 68.74 | 57.10 | 04/24/2025 | 07:10:07 | 70.12, 68.73 | 57.08 | 2.34 | 1 |
| 3 | 04/24/2025 | 08:00:50 | -70.03,-123.77 | 123.04 | 04/24/2025 | 07:59:37 | -70.00,-123.81 | 123.06 | 3.16 | 73 |
| 4 | 04/26/2025 | 22:36:22 | -70.22, 17.06 | 123.68 | 04/26/2025 | 22:37:04 | -70.19, 17.07 | 123.72 | 3.35 | 42 |
| 5 | 04/26/2025 | 23:27:05 | 70.07,-175.40 | 56.16 | 04/26/2025 | 23:26:31 | 70.09,-175.43 | 56.17 | 1.74 | 34 |
| 6 | 04/29/2025 | 14:02:44 | 70.59, -35.09 | 55.88 | 04/29/2025 | 14:03:55 | 70.46, -34.28 | 55.71 | 33.79 | 71 |
| 7 | 04/29/2025 | 14:53:20 | -70.16, 132.91 | 124.59 | 04/29/2025 | 14:53:28 | -70.18, 132.95 | 124.58 | 2.25 | 8 |
| 8 | 04/29/2025 | 15:44:03 | 70.01, -59.56 | 55.26 | 04/29/2025 | 15:42:56 | 70.01, -59.64 | 55.26 | 2.99 | 67 |
| 9 | 05/02/2025 | 06:19:36 | 70.23, 81.24 | 54.69 | 05/02/2025 | 06:20:22 | 70.24, 81.30 | 54.69 | 2.61 | 46 |
| 10 | 05/02/2025 | 07:10:18 | -70.11,-111.26 | 125.45 | 05/02/2025 | 07:09:52 | -70.12,-111.23 | 125.44 | 2.04 | 26 |
| 11 | 05/04/2025 | 21:46:01 | -70.86, 28.67 | 125.43 | 05/04/2025 | 21:47:10 | -70.75, 30.32 | 125.58 | 61.40 | 69 |
| 12 | 05/04/2025 | 22:36:33 | 70.14,-162.86 | 53.81 | 05/04/2025 | 22:36:46 | 70.15,-162.92 | 53.82 | 2.72 | 13 |
| 13 | 05/04/2025 | 23:27:15 | -70.02, 4.63 | 126.32 | 05/04/2025 | 23:26:16 | -70.04, 4.55 | 126.30 | 3.48 | 59 |
| 14 | 05/07/2025 | 14:02:47 | -70.26, 145.40 | 126.81 | 05/07/2025 | 14:03:40 | -70.25, 145.48 | 126.82 | 3.12 | 53 |
| 15 | 05/07/2025 | 14:53:30 | 70.11, -47.06 | 53.03 | 05/07/2025 | 14:53:07 | 70.13, -47.04 | 53.06 | 3.04 | 23 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/23/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8