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: 10/27/2025
| 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 | 10/28/2025 | 12:38:00 | 70.33, -12.75 | 83.53 | 10/28/2025 | 12:38:30 | 70.33, -12.78 | 83.53 | 1.07 | 30 |
| 2 | 10/28/2025 | 13:28:42 | -70.23, 154.73 | 96.56 | 10/28/2025 | 13:28:00 | -70.22, 154.69 | 96.58 | 2.15 | 42 |
| 3 | 10/31/2025 | 04:04:16 | -70.59, -64.69 | 95.35 | 10/31/2025 | 04:05:28 | -70.49, -64.30 | 95.45 | 18.08 | 72 |
| 4 | 10/31/2025 | 04:54:57 | 70.32, 103.04 | 84.40 | 10/31/2025 | 04:54:56 | 70.33, 103.11 | 84.41 | 2.81 | 1 |
| 5 | 10/31/2025 | 05:45:39 | -70.22, -89.48 | 95.69 | 10/31/2025 | 05:44:26 | -70.22, -89.42 | 95.70 | 2.65 | 73 |
| 6 | 11/02/2025 | 20:21:09 | -70.38, 51.42 | 94.71 | 11/02/2025 | 20:21:56 | -70.35, 51.40 | 94.74 | 3.07 | 47 |
| 7 | 11/02/2025 | 21:11:53 | 70.27,-141.10 | 85.20 | 11/02/2025 | 21:11:23 | 70.24,-141.12 | 85.17 | 3.27 | 30 |
| 8 | 11/05/2025 | 11:47:34 | 71.01, -1.16 | 86.74 | 11/05/2025 | 11:48:43 | 70.89, 0.47 | 86.63 | 60.59 | 69 |
| 9 | 11/05/2025 | 12:38:05 | -70.33, 167.26 | 93.93 | 11/05/2025 | 12:38:21 | -70.34, 167.28 | 93.92 | 1.20 | 16 |
| 10 | 11/05/2025 | 13:28:49 | 70.23, -25.26 | 85.98 | 11/05/2025 | 13:27:48 | 70.23, -25.24 | 85.98 | 0.91 | 61 |
| 11 | 11/08/2025 | 04:04:18 | 70.40, 115.62 | 86.92 | 11/08/2025 | 04:05:15 | 70.41, 115.65 | 86.93 | 1.59 | 57 |
| 12 | 11/08/2025 | 04:55:00 | -70.30, -76.91 | 93.17 | 11/08/2025 | 04:54:45 | -70.30, -76.87 | 93.17 | 1.33 | 15 |
| 13 | 11/08/2025 | 05:45:31 | 69.50, 91.61 | 86.05 | 11/08/2025 | 05:44:23 | 69.58, 89.76 | 86.12 | 72.30 | 68 |
| 14 | 11/10/2025 | 20:21:13 | 70.32,-128.48 | 87.60 | 11/10/2025 | 20:21:40 | 70.34,-128.55 | 87.62 | 3.20 | 27 |
| 15 | 11/10/2025 | 21:11:55 | -70.23, 38.99 | 92.49 | 11/10/2025 | 21:11:10 | -70.23, 38.93 | 92.48 | 2.40 | 45 |
Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/27/2025 in txt file.
Historial Predications of SNOs between NPP and LANDSAT-9