Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/25/2023
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 04/25/2023 | 23:51:23 | 70.07, 178.32 | 56.64 | 04/25/2023 | 23:51:46 | 70.05, 178.31 | 56.62 | 2.14 | 23 |
| 2 | 04/26/2023 | 00:42:04 | -69.94, -14.16 | 123.51 | 04/26/2023 | 00:41:16 | -69.94, -14.22 | 123.51 | 2.37 | 48 |
| 3 | 04/28/2023 | 15:17:32 | -70.38, 126.33 | 123.89 | 04/28/2023 | 15:18:43 | -70.30, 126.90 | 123.99 | 23.24 | 71 |
| 4 | 04/28/2023 | 16:08:12 | 70.06, -65.86 | 55.77 | 04/28/2023 | 16:08:13 | 70.03, -65.84 | 55.74 | 3.07 | 1 |
| 5 | 04/28/2023 | 16:58:53 | -69.92, 101.66 | 124.39 | 04/28/2023 | 16:57:43 | -69.92, 101.63 | 124.38 | 1.16 | 70 |
| 6 | 05/01/2023 | 07:34:16 | -70.11,-117.46 | 125.00 | 05/01/2023 | 07:35:12 | -70.13,-117.46 | 124.98 | 2.00 | 56 |
| 7 | 05/01/2023 | 08:25:00 | 70.00, 50.01 | 54.88 | 05/01/2023 | 08:24:39 | 70.02, 50.03 | 54.90 | 2.35 | 21 |
| 8 | 05/01/2023 | 09:15:29 | -69.23,-141.54 | 125.93 | 05/01/2023 | 09:14:20 | -69.30,-143.31 | 125.81 | 70.32 | 69 |
| 9 | 05/03/2023 | 23:51:04 | -70.06, -1.60 | 125.84 | 05/03/2023 | 23:51:38 | -70.08, -1.64 | 125.83 | 2.66 | 34 |
| 10 | 05/04/2023 | 00:41:48 | 69.95, 165.88 | 54.04 | 05/04/2023 | 00:41:05 | 69.97, 165.85 | 54.06 | 1.99 | 43 |
| 11 | 05/06/2023 | 15:17:17 | 70.54, -53.86 | 53.90 | 05/06/2023 | 15:18:27 | 70.43, -52.88 | 53.76 | 38.53 | 70 |
| 12 | 05/06/2023 | 16:07:51 | -70.03, 114.25 | 126.65 | 05/06/2023 | 16:08:02 | -70.05, 114.20 | 126.63 | 3.01 | 11 |
| 13 | 05/06/2023 | 16:58:35 | 69.92, -78.28 | 53.24 | 05/06/2023 | 16:57:29 | 69.93, -78.32 | 53.25 | 1.82 | 66 |
| 14 | 05/09/2023 | 07:33:58 | 70.15, 62.54 | 52.76 | 05/09/2023 | 07:34:56 | 70.13, 62.58 | 52.73 | 2.36 | 58 |
| 15 | 05/09/2023 | 08:24:39 | -70.00,-129.91 | 127.41 | 05/09/2023 | 08:24:26 | -70.02,-129.93 | 127.38 | 2.77 | 13 |
| 16 | 05/09/2023 | 09:15:12 | 69.31, 38.40 | 51.88 | 05/09/2023 | 09:14:03 | 69.35, 36.80 | 51.96 | 63.12 | 69 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/25/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/25/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9