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: 3/25/2025
| 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 | 03/26/2025 | 14:15:48 | -70.60, 141.72 | 111.86 | 03/26/2025 | 14:16:59 | -70.47, 142.64 | 112.03 | 36.88 | 71 |
| 2 | 03/26/2025 | 15:06:25 | 70.09, -50.18 | 67.60 | 03/26/2025 | 15:06:31 | 70.10, -50.26 | 67.60 | 3.07 | 6 |
| 3 | 03/26/2025 | 15:57:07 | -70.03, 117.23 | 112.48 | 03/26/2025 | 15:56:00 | -70.04, 117.29 | 112.47 | 2.55 | 67 |
| 4 | 03/29/2025 | 06:32:29 | -70.20,-101.85 | 113.33 | 03/29/2025 | 06:33:31 | -70.19,-101.89 | 113.35 | 1.58 | 62 |
| 5 | 03/29/2025 | 07:23:13 | 70.06, 65.66 | 66.52 | 03/29/2025 | 07:22:58 | 70.08, 65.60 | 66.54 | 3.26 | 15 |
| 6 | 03/29/2025 | 08:13:46 | -69.53,-126.22 | 114.06 | 03/29/2025 | 08:12:35 | -69.59,-127.45 | 113.95 | 48.48 | 71 |
| 7 | 03/31/2025 | 22:49:18 | -70.18, 13.97 | 114.39 | 03/31/2025 | 22:49:58 | -70.16, 13.95 | 114.42 | 2.45 | 40 |
| 8 | 03/31/2025 | 23:40:02 | 70.05,-178.52 | 65.46 | 03/31/2025 | 23:39:25 | 70.05,-178.56 | 65.46 | 1.61 | 37 |
| 9 | 04/03/2025 | 14:15:36 | 70.84, -38.60 | 65.28 | 04/03/2025 | 14:16:45 | 70.71, -36.98 | 65.09 | 60.86 | 69 |
| 10 | 04/03/2025 | 15:06:06 | -70.14, 129.85 | 115.47 | 04/03/2025 | 15:06:23 | -70.17, 129.85 | 115.45 | 3.35 | 17 |
| 11 | 04/03/2025 | 15:56:51 | 70.07, -62.73 | 64.44 | 04/03/2025 | 15:55:50 | 70.05, -62.67 | 64.43 | 2.94 | 61 |
| 12 | 04/06/2025 | 06:32:13 | 70.24, 78.18 | 63.63 | 04/06/2025 | 06:33:17 | 70.26, 78.24 | 63.63 | 3.16 | 64 |
| 13 | 04/06/2025 | 07:22:54 | -70.11,-114.30 | 116.53 | 04/06/2025 | 07:22:48 | -70.10,-114.35 | 116.54 | 2.26 | 6 |
| 14 | 04/06/2025 | 08:13:31 | 69.62, 53.74 | 62.96 | 04/06/2025 | 08:12:20 | 69.70, 52.74 | 63.07 | 39.63 | 71 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/25/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/25/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9