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: 9/28/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/29/2025 07:28:49 -0.23, -89.48 0.05, -90.71 140.44 80
2 09/30/2025 07:07:23 -0.24, -89.48 -0.97, -86.18 376.05 80
3 10/01/2025 19:31:58 0.23, -89.51 -0.23, -91.47 223.85 80
4 10/02/2025 19:11:52 0.25, -89.51 0.80, -86.93 293.32 0
5 10/04/2025 07:34:59 -0.23, -89.49 0.38, -92.19 308.24 80
6 10/05/2025 07:13:33 -0.24, -89.49 -0.66, -87.66 208.83 80
7 10/06/2025 19:38:07 0.23, -89.52 -0.52, -92.95 390.57 80
8 10/07/2025 19:16:41 0.24, -89.53 0.46, -88.41 127.10 80
9 10/09/2025 07:41:07 -0.22, -89.52 0.71, -93.67 473.43 80
10 10/10/2025 07:19:42 -0.23, -89.52 -0.33, -89.14 43.65 80
11 10/12/2025 19:25:30 0.22, -89.55 0.16, -89.89 38.88 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/28/2025
SNOs_Map_GOES-17_NOAA-20_20250929.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/28/2025 in txt file.

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