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: 4/17/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 04/17/2025 | 22:33:52 | -0.00,-137.00 | -0.10,-137.51 | 57.39 | 80 |
| 2 | 04/18/2025 | 22:17:45 | 0.00,-136.99 | 0.91,-132.97 | 459.19 | 80 |
| 3 | 04/20/2025 | 10:39:31 | -0.00,-136.98 | 0.27,-138.23 | 142.31 | 80 |
| 4 | 04/21/2025 | 10:18:04 | -0.00,-136.97 | -0.74,-133.69 | 373.89 | 80 |
| 5 | 04/22/2025 | 22:39:57 | -0.00,-136.96 | -0.43,-138.98 | 230.11 | 80 |
| 6 | 04/23/2025 | 22:23:50 | -0.00,-136.95 | 0.53,-134.43 | 285.98 | 80 |
| 7 | 04/25/2025 | 10:45:35 | 0.00,-136.92 | 0.64,-139.69 | 316.28 | 80 |
| 8 | 04/26/2025 | 10:24:09 | -0.00,-136.91 | -0.39,-135.16 | 199.33 | 80 |
| 9 | 04/27/2025 | 22:46:02 | 0.01,-136.89 | -0.76,-140.45 | 405.94 | 80 |
| 10 | 04/28/2025 | 22:29:55 | 0.01,-136.87 | 0.21,-135.90 | 109.05 | 80 |
| 11 | 04/30/2025 | 10:49:00 | -0.02,-136.83 | 0.96,-141.17 | 494.97 | 80 |
| 12 | 05/01/2025 | 10:32:54 | -0.02,-136.80 | -0.08,-136.63 | 19.72 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/17/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/17/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21