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: 7/6/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/08/2025 07:33:51 -0.04, -91.24 0.26, -92.50 143.78 80
2 07/09/2025 07:17:45 -0.04, -90.71 -0.68, -87.95 314.88 80
3 07/10/2025 19:37:00 0.05, -89.92 -0.70, -93.22 376.30 80
4 07/11/2025 19:20:53 0.05, -89.39 0.18, -88.66 82.62 80
5 07/14/2025 07:21:12 -0.05, -88.04 0.25, -89.34 148.62 80
6 07/15/2025 07:05:06 -0.05, -87.51 -0.64, -84.78 310.67 80
7 07/16/2025 19:24:21 0.06, -86.73 -0.67, -90.06 379.63 80
8 07/17/2025 19:08:14 0.05, -86.20 0.22, -85.50 79.84 80
9 07/20/2025 07:08:33 -0.06, -84.86 0.21, -86.18 150.63 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/6/2025
SNOs_Map_GOES-17_NOAA-21_20250707.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/06/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21