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: 7/19/2023
| 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 | 07/20/2023 | 07:34:17 | -70.02,-117.46 | 130.67 | 07/20/2023 | 07:35:07 | -70.01,-117.51 | 130.68 | 2.25 | 50 |
| 2 | 07/20/2023 | 08:25:01 | 69.91, 50.02 | 49.23 | 07/20/2023 | 08:24:34 | 69.91, 50.00 | 49.24 | 0.97 | 27 |
| 3 | 07/20/2023 | 09:15:26 | -68.92,-141.24 | 131.81 | 07/20/2023 | 09:14:19 | -68.97,-143.64 | 131.65 | 95.71 | 67 |
| 4 | 07/22/2023 | 23:00:45 | 71.02,-170.60 | 50.92 | 07/22/2023 | 23:01:51 | 70.91,-167.92 | 50.69 | 97.74 | 66 |
| 5 | 07/22/2023 | 23:51:09 | -69.98, -1.62 | 130.19 | 07/22/2023 | 23:51:36 | -69.97, -1.68 | 130.20 | 2.35 | 27 |
| 6 | 07/23/2023 | 00:41:53 | 69.87, 165.85 | 49.71 | 07/23/2023 | 00:41:03 | 69.87, 165.82 | 49.72 | 1.06 | 50 |
| 7 | 07/25/2023 | 15:17:22 | 70.20, -53.50 | 50.60 | 07/25/2023 | 15:18:33 | 70.13, -53.20 | 50.51 | 13.85 | 71 |
| 8 | 07/25/2023 | 16:08:01 | -69.95, 114.21 | 129.66 | 07/25/2023 | 16:08:04 | -69.96, 114.20 | 129.65 | 1.87 | 3 |
| 9 | 07/25/2023 | 16:58:44 | 69.79, -78.24 | 50.18 | 07/25/2023 | 16:57:32 | 69.80, -78.38 | 50.21 | 5.55 | 72 |
| 10 | 07/28/2023 | 07:34:10 | 70.02, 62.56 | 51.01 | 07/28/2023 | 07:35:01 | 70.03, 62.55 | 51.01 | 1.25 | 51 |
| 11 | 07/28/2023 | 08:24:52 | -69.92,-129.97 | 129.09 | 07/28/2023 | 08:24:31 | -69.92,-129.97 | 129.09 | 0.23 | 21 |
| 12 | 07/28/2023 | 09:15:19 | 68.91, 38.78 | 49.86 | 07/28/2023 | 09:14:13 | 68.98, 36.42 | 50.04 | 94.68 | 66 |
| 13 | 07/30/2023 | 23:51:02 | 70.00, 178.37 | 51.63 | 07/30/2023 | 23:51:28 | 70.01, 178.42 | 51.63 | 2.47 | 26 |
| 14 | 07/31/2023 | 00:41:44 | -69.90, -14.16 | 128.48 | 07/31/2023 | 00:40:58 | -69.91, -14.09 | 128.47 | 2.73 | 46 |
| 15 | 08/02/2023 | 15:17:14 | -70.30, 126.38 | 127.40 | 08/02/2023 | 15:18:26 | -70.19, 126.93 | 127.55 | 23.91 | 72 |
| 16 | 08/02/2023 | 16:07:53 | 69.94, -65.76 | 52.23 | 08/02/2023 | 16:07:55 | 69.97, -65.74 | 52.25 | 3.13 | 2 |
| 17 | 08/02/2023 | 16:58:35 | -69.83, 101.71 | 127.88 | 08/02/2023 | 16:57:25 | -69.86, 101.74 | 127.84 | 3.33 | 70 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/19/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/19/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9