Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/19/2025
| Index | Date | Time (GOES-17) | GOES-17 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 06/20/2025 | 08:11:47 | -0.00,-100.95 | 0.22,-101.98 | 117.97 | 80 |
| 2 | 06/21/2025 | 07:55:41 | -0.01,-100.41 | -0.65, -97.42 | 339.78 | 80 |
| 3 | 06/22/2025 | 20:14:56 | 0.02, -99.61 | -0.67,-102.70 | 353.00 | 80 |
| 4 | 06/23/2025 | 19:58:49 | 0.02, -99.07 | 0.20, -98.14 | 104.69 | 80 |
| 5 | 06/26/2025 | 07:59:08 | -0.01, -97.69 | 0.26, -98.82 | 129.50 | 80 |
| 6 | 06/27/2025 | 07:43:03 | -0.01, -97.15 | -0.68, -94.27 | 328.64 | 80 |
| 7 | 06/28/2025 | 20:02:17 | 0.00, -96.35 | -0.70, -99.54 | 363.15 | 80 |
| 8 | 06/29/2025 | 19:46:11 | -0.00, -95.82 | 0.18, -94.98 | 95.40 | 80 |
| 9 | 07/02/2025 | 07:46:29 | 0.00, -94.46 | 0.27, -95.66 | 136.51 | 80 |
| 10 | 07/03/2025 | 07:30:23 | 0.01, -93.93 | -0.61, -91.10 | 322.35 | 80 |
Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/19/2025
Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/19/2025 in txt file.
Historical Predications of SNOs between GOES-17 and NOAA-21