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: 3/30/2023
| 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 | 03/30/2023 | 22:24:28 | -70.15, 20.16 | 113.83 | 03/30/2023 | 22:25:21 | -70.13, 20.09 | 113.86 | 3.11 | 53 |
| 2 | 03/30/2023 | 23:15:12 | 70.03,-172.36 | 66.04 | 03/30/2023 | 23:14:48 | 70.03,-172.41 | 66.03 | 2.27 | 24 |
| 3 | 03/31/2023 | 00:05:39 | -69.14, -3.74 | 114.90 | 03/31/2023 | 00:04:31 | -69.19, -5.91 | 114.78 | 85.78 | 68 |
| 4 | 04/02/2023 | 13:50:57 | 70.93, -32.66 | 65.97 | 04/02/2023 | 13:52:04 | 70.82, -30.63 | 65.79 | 74.97 | 67 |
| 5 | 04/02/2023 | 14:41:25 | -70.10, 136.00 | 114.93 | 04/02/2023 | 14:41:45 | -70.11, 135.95 | 114.92 | 2.16 | 20 |
| 6 | 04/02/2023 | 15:32:09 | 69.99, -56.52 | 64.95 | 04/02/2023 | 15:31:12 | 70.00, -56.56 | 64.97 | 1.75 | 57 |
| 7 | 04/05/2023 | 06:07:40 | 70.21, 84.27 | 64.18 | 04/05/2023 | 06:08:37 | 70.20, 84.35 | 64.16 | 3.51 | 57 |
| 8 | 04/05/2023 | 06:58:21 | -70.06,-108.18 | 116.00 | 04/05/2023 | 06:58:07 | -70.08,-108.18 | 115.97 | 2.71 | 14 |
| 9 | 04/05/2023 | 07:48:53 | 69.31, 60.23 | 63.22 | 04/05/2023 | 07:47:45 | 69.36, 58.48 | 63.33 | 68.92 | 68 |
| 10 | 04/07/2023 | 22:24:36 | 70.14,-159.85 | 63.09 | 04/07/2023 | 22:25:00 | 70.12,-159.85 | 63.07 | 1.80 | 24 |
| 11 | 04/07/2023 | 23:15:18 | -70.03, 7.63 | 117.04 | 04/07/2023 | 23:14:30 | -70.01, 7.62 | 117.06 | 2.62 | 48 |
| 12 | 04/10/2023 | 13:50:48 | -70.18, 148.55 | 117.86 | 04/10/2023 | 13:51:55 | -70.17, 148.48 | 117.88 | 2.83 | 67 |
| 13 | 04/10/2023 | 14:41:32 | 70.08, -43.99 | 62.02 | 04/10/2023 | 14:41:22 | 70.05, -44.04 | 62.00 | 3.42 | 10 |
| 14 | 04/10/2023 | 15:32:08 | -69.65, 123.96 | 118.43 | 04/10/2023 | 15:30:56 | -69.72, 123.13 | 118.33 | 33.09 | 72 |
| 15 | 04/13/2023 | 06:07:45 | -70.18, -95.69 | 118.85 | 04/13/2023 | 06:08:15 | -70.16, -95.62 | 118.87 | 3.08 | 30 |
| 16 | 04/13/2023 | 06:58:28 | 70.03, 71.86 | 60.99 | 04/13/2023 | 06:57:42 | 70.04, 71.85 | 61.01 | 1.82 | 46 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/30/2023
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/30/2023 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9