Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/16/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/17/2025 | 10:25:14 | -0.03,-136.99 | -0.40,-135.44 | 178.00 | 80 |
| 2 | 09/18/2025 | 22:47:08 | 0.02,-137.01 | -0.82,-140.72 | 423.98 | 80 |
| 3 | 09/19/2025 | 22:31:03 | 0.02,-137.01 | 0.18,-136.19 | 93.05 | 80 |
| 4 | 09/22/2025 | 10:31:26 | -0.02,-137.00 | -0.07,-136.93 | 8.98 | 80 |
| 5 | 09/24/2025 | 22:34:34 | 0.03,-137.01 | -0.15,-137.69 | 77.96 | 80 |
| 6 | 09/25/2025 | 22:18:29 | 0.03,-137.00 | 0.86,-133.15 | 438.27 | 80 |
| 7 | 09/27/2025 | 10:40:16 | -0.02,-136.98 | 0.31,-138.42 | 164.36 | 80 |
| 8 | 09/28/2025 | 10:18:51 | -0.02,-136.97 | -0.70,-133.88 | 351.22 | 80 |
| 9 | 09/29/2025 | 22:40:46 | 0.02,-136.96 | -0.45,-139.19 | 253.27 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/16/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/16/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21