Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/18/2023
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 04/19/2023 | 21:10:16 | 70.40,-140.99 | 59.02 | 04/19/2023 | 21:11:02 | 70.40,-141.02 | 59.00 | 1.54 | 46 |
| 2 | 04/19/2023 | 22:00:58 | -70.32, 26.46 | 121.08 | 04/19/2023 | 22:00:31 | -70.34, 26.52 | 121.07 | 2.91 | 27 |
| 3 | 04/22/2023 | 13:27:08 | 70.39, -25.19 | 58.09 | 04/22/2023 | 13:27:30 | 70.41, -25.13 | 58.10 | 3.34 | 22 |
| 4 | 04/22/2023 | 14:17:49 | -70.25, 142.34 | 122.07 | 04/22/2023 | 14:17:01 | -70.24, 142.26 | 122.08 | 3.05 | 48 |
| 5 | 04/25/2023 | 04:53:17 | -70.60, -77.06 | 122.58 | 04/25/2023 | 04:54:29 | -70.54, -76.70 | 122.65 | 15.03 | 72 |
| 6 | 04/25/2023 | 05:43:58 | 70.33, 90.67 | 57.14 | 04/25/2023 | 05:43:58 | 70.32, 90.63 | 57.13 | 1.89 | 0 |
| 7 | 04/25/2023 | 06:34:40 | -70.24,-101.87 | 122.97 | 04/25/2023 | 06:33:28 | -70.21,-101.90 | 122.99 | 3.35 | 72 |
| 8 | 04/27/2023 | 21:10:05 | -70.40, 39.04 | 123.65 | 04/27/2023 | 21:10:58 | -70.41, 39.00 | 123.64 | 2.57 | 53 |
| 9 | 04/27/2023 | 22:00:49 | 70.29,-153.49 | 56.23 | 04/27/2023 | 22:00:25 | 70.30,-153.52 | 56.25 | 1.85 | 24 |
| 10 | 04/27/2023 | 22:51:16 | -69.40, 15.15 | 124.69 | 04/27/2023 | 22:50:09 | -69.43, 12.90 | 124.62 | 88.15 | 67 |
| 11 | 04/30/2023 | 13:26:56 | -70.36, 154.87 | 124.52 | 04/30/2023 | 13:27:25 | -70.35, 154.79 | 124.54 | 3.04 | 29 |
| 12 | 04/30/2023 | 14:17:40 | 70.26, -37.66 | 55.36 | 04/30/2023 | 14:16:52 | 70.24, -37.73 | 55.35 | 3.31 | 48 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/18/2023
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/18/2023 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9