Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/15/2023
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 07/15/2023 | 13:51:16 | -70.25, 148.50 | 131.27 | 07/15/2023 | 13:52:03 | -70.25, 148.57 | 131.28 | 2.48 | 47 |
| 2 | 07/15/2023 | 14:41:59 | 70.08, -43.93 | 48.57 | 07/15/2023 | 14:41:31 | 70.10, -44.00 | 48.59 | 3.23 | 28 |
| 3 | 07/18/2023 | 05:17:44 | 71.09, 95.59 | 50.07 | 07/18/2023 | 05:18:51 | 70.98, 97.91 | 49.86 | 85.02 | 67 |
| 4 | 07/18/2023 | 06:08:10 | -70.20, -95.66 | 130.87 | 07/18/2023 | 06:08:32 | -70.21, -95.61 | 130.87 | 1.99 | 22 |
| 5 | 07/18/2023 | 06:58:54 | 70.09, 71.81 | 49.03 | 07/18/2023 | 06:57:59 | 70.10, 71.89 | 49.04 | 3.18 | 55 |
| 6 | 07/20/2023 | 21:34:23 | 70.26,-147.31 | 49.68 | 07/20/2023 | 21:35:32 | 70.25,-147.30 | 49.65 | 1.84 | 69 |
| 7 | 07/20/2023 | 22:25:05 | -70.16, 20.16 | 130.42 | 07/20/2023 | 22:25:02 | -70.13, 20.17 | 130.45 | 3.11 | 3 |
| 8 | 07/20/2023 | 23:15:44 | 69.79,-171.97 | 49.20 | 07/20/2023 | 23:14:32 | 69.87,-172.56 | 49.31 | 24.19 | 72 |
| 9 | 07/23/2023 | 13:51:17 | 70.18, -31.41 | 50.12 | 07/23/2023 | 13:52:01 | 70.20, -31.47 | 50.14 | 3.36 | 44 |
| 10 | 07/23/2023 | 14:41:59 | -70.07, 136.06 | 129.98 | 07/23/2023 | 14:41:31 | -70.09, 136.00 | 129.96 | 2.94 | 28 |
| 11 | 07/26/2023 | 05:17:43 | -71.03, -84.34 | 128.41 | 07/26/2023 | 05:18:50 | -70.95, -82.11 | 128.59 | 81.52 | 67 |
| 12 | 07/26/2023 | 06:08:12 | 70.15, 84.39 | 50.67 | 07/26/2023 | 06:08:29 | 70.18, 84.39 | 50.69 | 3.53 | 17 |
| 13 | 07/26/2023 | 06:58:54 | -70.05,-108.13 | 129.44 | 07/26/2023 | 06:57:59 | -70.08,-108.13 | 129.40 | 3.62 | 55 |
| 14 | 07/28/2023 | 21:34:23 | -70.23, 32.73 | 128.66 | 07/28/2023 | 21:35:30 | -70.25, 32.74 | 128.65 | 3.04 | 67 |
| 15 | 07/28/2023 | 22:25:06 | 70.13,-159.81 | 51.25 | 07/28/2023 | 22:24:56 | 70.14,-159.77 | 51.26 | 1.79 | 10 |
| 16 | 07/28/2023 | 23:15:42 | -69.71, 8.14 | 129.19 | 07/28/2023 | 23:14:31 | -69.76, 7.33 | 129.10 | 32.16 | 71 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/15/2023
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/15/2023 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9