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: 9/12/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 09/13/2025 | 22:40:57 | 0.03,-137.00 | -0.47,-139.23 | 254.48 | 80 |
| 2 | 09/14/2025 | 22:24:51 | 0.03,-136.99 | 0.53,-134.70 | 261.35 | 80 |
| 3 | 09/16/2025 | 10:46:38 | -0.03,-136.96 | 0.65,-139.96 | 342.17 | 80 |
| 4 | 09/17/2025 | 10:25:14 | -0.03,-136.95 | -0.40,-135.44 | 173.47 | 80 |
| 5 | 09/18/2025 | 22:47:08 | 0.03,-136.95 | -0.82,-140.73 | 430.23 | 80 |
| 6 | 09/19/2025 | 22:31:03 | 0.04,-136.95 | 0.18,-136.19 | 85.53 | 80 |
| 7 | 09/22/2025 | 10:34:05 | -0.04,-136.91 | -0.00,-136.92 | 4.06 | 80 |
| 8 | 09/24/2025 | 22:34:34 | 0.04,-136.88 | -0.16,-137.69 | 91.71 | 80 |
| 9 | 09/25/2025 | 22:18:29 | 0.04,-136.87 | 0.85,-133.15 | 423.23 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/12/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 09/12/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21