Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/28/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 05/30/2025 | 18:36:00 | -70.45, 76.80 | 131.51 | 05/30/2025 | 18:34:52 | -70.47, 74.54 | 131.39 | 84.12 | 68 |
| 2 | 05/30/2025 | 19:26:50 | 70.62,-116.17 | 48.67 | 05/30/2025 | 19:25:41 | 70.61,-117.94 | 48.74 | 65.22 | 69 |
| 3 | 05/30/2025 | 20:17:44 | -71.18, 50.21 | 130.75 | 05/30/2025 | 20:16:35 | -71.16, 50.25 | 130.76 | 2.11 | 69 |
| 4 | 05/30/2025 | 21:08:30 | 71.15,-142.42 | 49.22 | 05/30/2025 | 21:07:27 | 71.15,-142.49 | 49.23 | 2.43 | 63 |
| 5 | 05/30/2025 | 21:59:14 | -71.18, 24.84 | 130.76 | 05/30/2025 | 21:58:31 | -71.19, 24.81 | 130.74 | 1.29 | 43 |
| 6 | 05/30/2025 | 22:50:01 | 71.20,-167.89 | 49.26 | 05/30/2025 | 22:49:23 | 71.18,-167.93 | 49.25 | 2.84 | 38 |
| 7 | 05/30/2025 | 23:40:45 | -71.23, -0.63 | 130.71 | 05/30/2025 | 23:40:27 | -71.21, -0.63 | 130.73 | 2.44 | 18 |
| 8 | 05/31/2025 | 00:31:32 | 71.25, 166.64 | 49.31 | 05/31/2025 | 00:31:18 | 71.25, 166.73 | 49.31 | 3.02 | 14 |
| 9 | 05/31/2025 | 01:22:15 | -71.24, -26.01 | 130.72 | 05/31/2025 | 01:22:23 | -71.24, -26.07 | 130.72 | 2.20 | 8 |
| 10 | 05/31/2025 | 02:13:02 | 71.26, 141.26 | 49.30 | 05/31/2025 | 02:13:14 | 71.28, 141.29 | 49.32 | 2.57 | 12 |
| 11 | 05/31/2025 | 03:03:46 | -71.29, -51.48 | 130.67 | 05/31/2025 | 03:04:18 | -71.31, -51.42 | 130.65 | 3.32 | 32 |
| 12 | 05/31/2025 | 03:54:33 | 71.31, 115.79 | 49.35 | 05/31/2025 | 03:55:10 | 71.30, 115.85 | 49.33 | 2.05 | 37 |
| 13 | 05/31/2025 | 04:45:17 | -71.34, -76.95 | 130.62 | 05/31/2025 | 04:46:14 | -71.34, -76.86 | 130.64 | 3.27 | 57 |
| 14 | 05/31/2025 | 05:36:03 | 71.31, 90.42 | 49.34 | 05/31/2025 | 05:37:06 | 71.33, 90.41 | 49.35 | 1.69 | 63 |
| 15 | 05/31/2025 | 06:26:53 | -71.66,-102.88 | 130.30 | 05/31/2025 | 06:28:05 | -71.62,-101.82 | 130.39 | 37.18 | 72 |
| 16 | 05/31/2025 | 07:17:44 | 71.88, 64.01 | 49.94 | 05/31/2025 | 07:18:53 | 71.81, 65.83 | 49.80 | 63.57 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 5/28/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 05/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19