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: 11/15/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/16/2025 | 22:40:16 | 0.00,-137.03 | -0.46,-139.00 | 225.60 | 80 |
| 2 | 11/17/2025 | 22:24:13 | -0.00,-137.03 | 0.56,-134.48 | 290.04 | 80 |
| 3 | 11/19/2025 | 10:46:04 | 0.00,-137.02 | 0.61,-139.76 | 312.63 | 80 |
| 4 | 11/20/2025 | 10:24:41 | 0.01,-137.01 | -0.41,-135.24 | 202.54 | 80 |
| 5 | 11/21/2025 | 22:46:41 | -0.02,-137.01 | -0.82,-140.55 | 403.50 | 80 |
| 6 | 11/22/2025 | 22:30:38 | -0.02,-137.00 | 0.21,-136.02 | 111.28 | 80 |
| 7 | 11/24/2025 | 10:52:27 | 0.03,-136.97 | 1.01,-141.29 | 492.62 | 80 |
| 8 | 11/25/2025 | 10:31:05 | 0.03,-136.96 | -0.02,-136.77 | 21.63 | 80 |
| 9 | 11/27/2025 | 22:34:22 | -0.03,-136.93 | -0.14,-137.56 | 71.58 | 80 |
| 10 | 11/28/2025 | 22:18:18 | -0.03,-136.91 | 0.84,-133.03 | 442.50 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/15/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/15/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21