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: 8/8/2025
| 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 | 08/20/2025 | 03:35:37 | 70.19, 122.26 | 57.78 | 08/20/2025 | 03:34:27 | 70.19, 120.81 | 57.85 | 54.79 | 70 |
| 2 | 08/20/2025 | 04:26:29 | -70.59, -71.04 | 121.80 | 08/20/2025 | 04:25:15 | -70.57, -71.29 | 121.79 | 9.39 | 74 |
| 3 | 08/20/2025 | 05:17:16 | 70.67, 96.13 | 58.31 | 08/20/2025 | 05:16:14 | 70.68, 96.13 | 58.33 | 0.46 | 62 |
| 4 | 08/20/2025 | 06:08:01 | -70.70, -96.60 | 121.66 | 08/20/2025 | 06:07:09 | -70.69, -96.57 | 121.65 | 0.95 | 52 |
| 5 | 08/20/2025 | 06:58:46 | 70.68, 70.75 | 58.34 | 08/20/2025 | 06:58:10 | 70.70, 70.68 | 58.37 | 3.16 | 36 |
| 6 | 08/20/2025 | 07:49:31 | -70.70,-121.98 | 121.63 | 08/20/2025 | 07:49:05 | -70.71,-122.02 | 121.61 | 1.99 | 26 |
| 7 | 08/20/2025 | 08:40:17 | 70.74, 45.28 | 58.42 | 08/20/2025 | 08:40:06 | 70.71, 45.22 | 58.41 | 3.19 | 11 |
| 8 | 08/20/2025 | 09:31:02 | -70.76,-147.45 | 121.54 | 08/20/2025 | 09:31:01 | -70.73,-147.47 | 121.57 | 3.29 | 1 |
| 9 | 08/20/2025 | 10:21:48 | 70.79, 19.81 | 58.51 | 08/20/2025 | 10:22:01 | 70.78, 19.86 | 58.49 | 2.30 | 13 |
| 10 | 08/20/2025 | 11:12:33 | -70.82,-172.92 | 121.46 | 08/20/2025 | 11:12:56 | -70.80,-172.84 | 121.48 | 3.42 | 23 |
| 11 | 08/20/2025 | 12:03:18 | 70.80, -5.58 | 58.54 | 08/20/2025 | 12:03:57 | 70.80, -5.59 | 58.54 | 0.57 | 39 |
| 12 | 08/20/2025 | 12:54:03 | -70.82, 161.70 | 121.43 | 08/20/2025 | 12:54:52 | -70.82, 161.71 | 121.44 | 0.54 | 49 |
| 13 | 08/20/2025 | 13:44:48 | 70.81, -30.96 | 58.57 | 08/20/2025 | 13:45:53 | 70.82, -31.04 | 58.58 | 3.44 | 65 |
| 14 | 08/20/2025 | 14:35:34 | -70.88, 136.23 | 121.35 | 08/20/2025 | 14:36:47 | -70.89, 136.35 | 121.35 | 4.51 | 73 |
| 15 | 08/20/2025 | 15:26:30 | 71.44, -57.42 | 59.26 | 08/20/2025 | 15:27:39 | 71.35, -55.58 | 59.10 | 65.66 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/8/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19