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: 11/15/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/16/2025 07:29:41 -0.07, -89.49 0.25, -90.78 147.02 80
2 11/17/2025 07:08:20 -0.09, -89.49 -0.84, -86.27 368.24 80
3 11/18/2025 19:32:58 0.04, -89.51 -0.42, -91.56 234.28 80
4 11/19/2025 19:11:35 0.07, -89.52 0.61, -87.04 281.60 80
5 11/21/2025 07:36:05 -0.02, -89.52 0.63, -92.30 318.16 80
6 11/22/2025 07:14:42 -0.04, -89.52 -0.40, -87.78 197.16 80
7 11/23/2025 19:39:22 -0.01, -89.52 -0.78, -93.09 406.07 80
8 11/24/2025 19:17:59 0.02, -89.53 0.26, -88.57 109.96 80
9 11/26/2025 07:42:28 0.03, -89.55 0.97, -93.84 488.39 80
10 11/27/2025 07:21:06 -0.00, -89.55 -0.07, -89.32 27.32 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/15/2025
SNOs_Map_GOES-17_NOAA-20_20251116.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 11/15/2025 in txt file.

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