Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/5/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/11/2025 | 19:57:45 | -70.14, 56.56 | 124.87 | 08/11/2025 | 19:56:35 | -70.14, 55.05 | 124.79 | 57.32 | 70 |
| 2 | 08/11/2025 | 20:48:41 | 70.65,-136.94 | 55.68 | 08/11/2025 | 20:47:27 | 70.66,-136.86 | 55.70 | 3.15 | 74 |
| 3 | 08/11/2025 | 21:39:24 | -70.62, 30.43 | 124.35 | 08/11/2025 | 21:38:22 | -70.63, 30.36 | 124.33 | 3.01 | 62 |
| 4 | 08/11/2025 | 22:30:11 | 70.66,-162.32 | 55.71 | 08/11/2025 | 22:29:23 | 70.68,-162.31 | 55.74 | 2.61 | 48 |
| 5 | 08/11/2025 | 23:20:55 | -70.68, 4.97 | 124.27 | 08/11/2025 | 23:20:17 | -70.70, 4.99 | 124.24 | 2.58 | 38 |
| 6 | 08/12/2025 | 00:11:42 | 70.72, 172.21 | 55.79 | 08/12/2025 | 00:11:19 | 70.70, 172.24 | 55.78 | 2.12 | 23 |
| 7 | 08/12/2025 | 01:02:26 | -70.74, -20.50 | 124.18 | 08/12/2025 | 01:02:13 | -70.72, -20.46 | 124.20 | 2.54 | 13 |
| 8 | 08/12/2025 | 01:53:12 | 70.72, 146.82 | 55.82 | 08/12/2025 | 01:53:15 | 70.72, 146.79 | 55.82 | 1.48 | 3 |
| 9 | 08/12/2025 | 02:43:56 | -70.74, -45.89 | 124.16 | 08/12/2025 | 02:44:09 | -70.74, -45.91 | 124.16 | 1.00 | 13 |
| 10 | 08/12/2025 | 03:34:43 | 70.78, 121.35 | 55.90 | 08/12/2025 | 03:35:10 | 70.79, 121.42 | 55.90 | 2.65 | 27 |
| 11 | 08/12/2025 | 04:25:27 | -70.80, -71.36 | 124.07 | 08/12/2025 | 04:26:04 | -70.81, -71.27 | 124.08 | 3.14 | 37 |
| 12 | 08/12/2025 | 05:16:13 | 70.79, 95.97 | 55.93 | 08/12/2025 | 05:17:06 | 70.81, 95.97 | 55.94 | 2.38 | 53 |
| 13 | 08/12/2025 | 06:06:57 | -70.81, -96.74 | 124.05 | 08/12/2025 | 06:08:00 | -70.83, -96.73 | 124.04 | 2.42 | 63 |
| 14 | 08/12/2025 | 06:57:47 | 71.00, 70.24 | 56.18 | 08/12/2025 | 06:59:00 | 70.93, 70.70 | 56.08 | 18.51 | 73 |
| 15 | 08/12/2025 | 07:48:37 | -71.33,-123.01 | 123.47 | 08/12/2025 | 07:49:47 | -71.31,-121.36 | 123.57 | 58.73 | 70 |
Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and NOAA-19