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: 8/10/2025
| 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 | 19:06:55 | 69.80,-110.23 | 54.76 | 08/11/2025 | 19:05:48 | 69.81,-112.75 | 54.90 | 96.86 | 67 |
| 2 | 08/11/2025 | 19:57:46 | -70.19, 56.48 | 124.82 | 08/11/2025 | 19:56:35 | -70.19, 55.12 | 124.75 | 51.39 | 71 |
| 3 | 08/11/2025 | 20:48:41 | 70.65,-136.93 | 55.67 | 08/11/2025 | 20:47:28 | 70.67,-136.86 | 55.70 | 3.43 | 73 |
| 4 | 08/11/2025 | 21:39:25 | -70.67, 30.35 | 124.29 | 08/11/2025 | 21:38:22 | -70.68, 30.44 | 124.28 | 3.23 | 63 |
| 5 | 08/11/2025 | 22:30:12 | 70.71,-162.40 | 55.76 | 08/11/2025 | 22:29:24 | 70.69,-162.31 | 55.74 | 3.75 | 48 |
| 6 | 08/11/2025 | 23:20:55 | -70.68, 4.97 | 124.27 | 08/11/2025 | 23:20:18 | -70.70, 4.99 | 124.24 | 2.45 | 37 |
| 7 | 08/12/2025 | 00:11:42 | 70.71, 172.22 | 55.78 | 08/12/2025 | 00:11:20 | 70.71, 172.24 | 55.78 | 0.88 | 22 |
| 8 | 08/12/2025 | 01:02:26 | -70.74, -20.50 | 124.18 | 08/12/2025 | 01:02:14 | -70.72, -20.47 | 124.20 | 2.32 | 12 |
| 9 | 08/12/2025 | 01:53:12 | 70.72, 146.84 | 55.81 | 08/12/2025 | 01:53:16 | 70.73, 146.79 | 55.82 | 2.01 | 4 |
| 10 | 08/12/2025 | 02:43:56 | -70.74, -45.88 | 124.16 | 08/12/2025 | 02:44:10 | -70.74, -45.92 | 124.16 | 1.25 | 14 |
| 11 | 08/12/2025 | 03:34:43 | 70.78, 121.37 | 55.89 | 08/12/2025 | 03:35:11 | 70.80, 121.43 | 55.91 | 3.15 | 28 |
| 12 | 08/12/2025 | 04:25:27 | -70.80, -71.35 | 124.07 | 08/12/2025 | 04:26:05 | -70.81, -71.28 | 124.08 | 2.91 | 38 |
| 13 | 08/12/2025 | 05:16:14 | 70.83, 95.90 | 55.98 | 08/12/2025 | 05:17:07 | 70.81, 95.97 | 55.95 | 3.52 | 53 |
| 14 | 08/12/2025 | 06:06:57 | -70.80, -96.74 | 124.05 | 08/12/2025 | 06:08:01 | -70.83, -96.73 | 124.04 | 2.51 | 64 |
| 15 | 08/12/2025 | 06:57:48 | 71.05, 70.16 | 56.23 | 08/12/2025 | 06:59:00 | 70.99, 70.79 | 56.13 | 23.77 | 72 |
| 16 | 08/12/2025 | 07:48:38 | -71.38,-123.10 | 123.41 | 08/12/2025 | 07:49:47 | -71.36,-121.27 | 123.52 | 64.87 | 69 |
Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/10/2025
Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 08/10/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and NOAA-19