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: 8/23/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 08/23/2025 | 22:34:49 | 0.01,-137.00 | -0.16,-137.75 | 86.23 | 80 |
| 2 | 08/24/2025 | 22:18:45 | 0.01,-137.00 | 0.87,-133.23 | 430.22 | 80 |
| 3 | 08/26/2025 | 10:40:32 | -0.01,-136.98 | 0.34,-138.49 | 171.91 | 80 |
| 4 | 08/27/2025 | 10:19:08 | -0.01,-136.98 | -0.69,-133.96 | 344.13 | 80 |
| 5 | 08/28/2025 | 22:41:03 | 0.02,-136.98 | -0.51,-139.26 | 259.93 | 80 |
| 6 | 08/29/2025 | 22:24:59 | 0.02,-136.97 | 0.53,-134.73 | 255.64 | 80 |
| 7 | 08/31/2025 | 10:46:46 | -0.02,-136.95 | 0.69,-139.99 | 347.98 | 80 |
| 8 | 09/01/2025 | 10:25:21 | -0.03,-136.93 | -0.35,-135.47 | 167.00 | 80 |
| 9 | 09/02/2025 | 22:47:17 | 0.03,-136.92 | -0.84,-140.77 | 438.59 | 80 |
| 10 | 09/03/2025 | 22:31:12 | 0.03,-136.90 | 0.20,-136.24 | 76.10 | 80 |
| 11 | 09/06/2025 | 10:34:15 | -0.03,-136.85 | -0.02,-136.97 | 14.37 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/23/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/23/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21