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: 6/17/2023
| 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 | 06/18/2023 | 06:44:05 | 70.63, 74.23 | 47.22 | 06/18/2023 | 06:45:14 | 70.51, 75.57 | 47.04 | 51.67 | 69 |
| 2 | 06/18/2023 | 07:34:37 | -70.02,-117.50 | 133.43 | 06/18/2023 | 07:34:51 | -70.01,-117.51 | 133.44 | 0.83 | 14 |
| 3 | 06/18/2023 | 08:25:21 | 69.90, 49.99 | 46.45 | 06/18/2023 | 08:24:18 | 69.91, 49.99 | 46.47 | 1.29 | 63 |
| 4 | 06/20/2023 | 23:00:48 | 70.09,-169.14 | 46.61 | 06/20/2023 | 23:01:50 | 70.09,-169.15 | 46.61 | 0.65 | 62 |
| 5 | 06/20/2023 | 23:51:30 | -70.00, -1.69 | 133.49 | 06/20/2023 | 23:51:20 | -69.98, -1.67 | 133.50 | 1.57 | 10 |
| 6 | 06/21/2023 | 00:42:05 | 69.40, 166.49 | 45.90 | 06/21/2023 | 00:40:55 | 69.43, 165.22 | 45.98 | 49.85 | 70 |
| 7 | 06/23/2023 | 15:17:41 | 70.02, -53.27 | 46.56 | 06/23/2023 | 15:18:20 | 70.03, -53.35 | 46.57 | 3.20 | 39 |
| 8 | 06/23/2023 | 16:08:23 | -69.93, 114.19 | 133.54 | 06/23/2023 | 16:07:50 | -69.93, 114.14 | 133.53 | 1.95 | 33 |
| 9 | 06/26/2023 | 06:44:04 | -70.80,-106.04 | 132.55 | 06/26/2023 | 06:45:12 | -70.66,-104.18 | 132.76 | 70.05 | 68 |
| 10 | 06/26/2023 | 07:34:35 | 70.01, 62.51 | 46.62 | 06/26/2023 | 07:34:49 | 70.00, 62.50 | 46.61 | 1.21 | 14 |
| 11 | 06/26/2023 | 08:25:17 | -69.91,-130.03 | 133.48 | 06/26/2023 | 08:24:19 | -69.90,-130.01 | 133.49 | 1.60 | 58 |
| 12 | 06/28/2023 | 23:00:44 | -70.06, 10.90 | 133.22 | 06/28/2023 | 23:01:51 | -70.07, 10.84 | 133.22 | 2.45 | 67 |
| 13 | 06/28/2023 | 23:51:28 | 69.96, 178.36 | 46.68 | 06/28/2023 | 23:51:18 | 69.95, 178.31 | 46.67 | 2.04 | 10 |
| 14 | 06/29/2023 | 00:42:04 | -69.54, -13.70 | 133.76 | 06/29/2023 | 00:40:52 | -69.63, -14.49 | 133.63 | 32.29 | 72 |
| 15 | 07/01/2023 | 15:17:37 | -70.06, 126.67 | 133.05 | 07/01/2023 | 15:18:18 | -70.05, 126.70 | 133.07 | 2.04 | 41 |
| 16 | 07/01/2023 | 16:08:20 | 69.91, -65.80 | 46.80 | 07/01/2023 | 16:07:45 | 69.93, -65.82 | 46.82 | 2.09 | 35 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/17/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/17/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9