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: 10/5/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/05/2025 19:05:41 0.25, -89.52 1.14, -85.58 449.18 64
2 10/07/2025 07:29:50 -0.23, -89.50 0.08, -90.83 152.50 80
3 10/08/2025 07:08:25 -0.24, -89.50 -0.96, -86.30 364.65 80
4 10/09/2025 19:32:59 0.22, -89.54 -0.23, -91.60 234.38 80
5 10/10/2025 19:11:33 0.23, -89.55 0.81, -87.07 283.09 80
6 10/12/2025 07:35:59 -0.21, -89.53 0.39, -92.32 317.94 80
7 10/13/2025 07:14:32 -0.23, -89.53 -0.59, -87.78 199.17 80
8 10/14/2025 19:39:07 0.21, -89.56 -0.59, -93.07 400.04 80
9 10/15/2025 19:17:41 0.23, -89.58 0.46, -88.54 118.01 80
10 10/17/2025 07:42:06 -0.20, -89.58 0.72, -93.80 480.72 80
11 10/18/2025 07:20:40 -0.22, -89.59 -0.27, -89.26 37.42 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/5/2025
SNOs_Map_GOES-17_NOAA-21_20251006.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 10/05/2025 in txt file.

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