Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/21/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/22/2025 07:14:43 -0.04, -89.50 -0.43, -87.79 194.90 80
2 11/23/2025 19:39:21 -0.01, -89.50 -0.82, -93.08 408.86 80
3 11/24/2025 19:17:59 0.02, -89.50 0.21, -88.56 106.64 80
4 11/26/2025 07:42:28 0.03, -89.51 1.02, -93.82 492.66 80
5 11/27/2025 07:21:06 -0.00, -89.51 -0.07, -89.32 22.70 80
6 11/29/2025 19:27:02 -0.02, -89.52 -0.14, -90.09 65.20 80
7 11/30/2025 19:05:40 0.01, -89.53 0.90, -85.57 450.88 80
8 12/02/2025 07:30:09 0.05, -89.54 0.32, -90.83 147.26 80
9 12/03/2025 07:08:47 0.02, -89.54 -0.72, -86.31 368.19 80
10 12/04/2025 19:33:25 -0.08, -89.54 -0.53, -91.61 235.81 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_GOES-17_NOAA-20_20251122.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 11/21/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20