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: 5/4/2023
| 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 | 05/04/2023 | 13:51:02 | 70.20, -31.51 | 54.13 | 05/04/2023 | 13:52:05 | 70.23, -31.56 | 54.15 | 3.10 | 63 |
| 2 | 05/04/2023 | 14:41:44 | -70.12, 135.94 | 125.97 | 05/04/2023 | 14:41:35 | -70.10, 135.90 | 125.99 | 2.46 | 9 |
| 3 | 05/04/2023 | 15:32:19 | 69.52, -55.85 | 53.41 | 05/04/2023 | 15:31:09 | 69.62, -57.13 | 53.54 | 50.68 | 70 |
| 4 | 05/07/2023 | 06:07:56 | 70.17, 84.33 | 53.33 | 05/07/2023 | 06:08:30 | 70.17, 84.26 | 53.34 | 2.89 | 34 |
| 5 | 05/07/2023 | 06:58:38 | -70.08,-108.22 | 126.77 | 05/07/2023 | 06:57:59 | -70.11,-108.20 | 126.74 | 3.36 | 39 |
| 6 | 05/09/2023 | 21:34:13 | -70.57, 32.16 | 126.97 | 05/09/2023 | 21:35:24 | -70.48, 32.94 | 127.09 | 30.74 | 71 |
| 7 | 05/09/2023 | 22:24:51 | 70.14,-159.85 | 52.57 | 05/09/2023 | 22:24:55 | 70.15,-159.88 | 52.59 | 2.36 | 4 |
| 8 | 05/09/2023 | 23:15:33 | -70.05, 7.60 | 127.53 | 05/09/2023 | 23:14:25 | -70.04, 7.59 | 127.53 | 1.39 | 68 |
| 9 | 05/12/2023 | 13:51:02 | -70.23, 148.48 | 128.02 | 05/12/2023 | 13:51:53 | -70.22, 148.45 | 128.03 | 1.68 | 51 |
| 10 | 05/12/2023 | 14:41:46 | 70.11, -44.03 | 51.86 | 05/12/2023 | 14:41:20 | 70.11, -44.06 | 51.85 | 1.18 | 26 |
| 11 | 05/12/2023 | 15:32:11 | -69.12, 124.73 | 129.17 | 05/12/2023 | 15:31:05 | -69.17, 122.30 | 129.07 | 96.29 | 66 |
| 12 | 05/15/2023 | 05:17:29 | 71.03, 95.63 | 52.18 | 05/15/2023 | 05:18:36 | 70.91, 97.75 | 52.01 | 78.24 | 67 |
| 13 | 05/15/2023 | 06:07:57 | -70.21, -95.72 | 128.69 | 05/15/2023 | 06:08:17 | -70.20, -95.67 | 128.70 | 1.78 | 20 |
| 14 | 05/15/2023 | 06:58:41 | 70.09, 71.77 | 51.19 | 05/15/2023 | 06:57:44 | 70.09, 71.81 | 51.18 | 1.65 | 57 |
| 15 | 05/17/2023 | 21:34:09 | 70.29,-147.38 | 50.79 | 05/17/2023 | 21:35:10 | 70.27,-147.31 | 50.76 | 3.36 | 61 |
| 16 | 05/17/2023 | 22:24:50 | -70.14, 20.16 | 129.37 | 05/17/2023 | 22:24:40 | -70.16, 20.16 | 129.36 | 1.95 | 10 |
| 17 | 05/17/2023 | 23:15:25 | 69.55,-171.64 | 50.02 | 05/17/2023 | 23:14:15 | 69.60,-172.96 | 50.10 | 51.55 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/4/2023
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/04/2023 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9