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: 11/11/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/11/2025 19:11:04 0.12, -89.50 0.68, -86.88 297.43 80
2 11/13/2025 07:35:34 -0.08, -89.49 0.52, -92.16 304.26 80
3 11/14/2025 07:14:11 -0.11, -89.49 -0.49, -87.64 210.64 80
4 11/15/2025 19:38:52 0.06, -89.51 -0.70, -92.95 392.54 80
5 11/16/2025 19:17:29 0.08, -89.51 0.32, -88.43 123.32 80
6 11/18/2025 07:41:59 -0.03, -89.52 0.92, -93.69 476.30 80
7 11/19/2025 07:20:37 -0.06, -89.52 -0.16, -89.18 39.08 80
8 11/21/2025 19:26:34 0.03, -89.54 -0.05, -89.97 48.58 80
9 11/22/2025 19:05:11 0.06, -89.55 0.98, -85.45 467.42 80
10 11/24/2025 07:29:41 -0.01, -89.56 0.25, -90.71 131.56 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/11/2025
SNOs_Map_GOES-17_NOAA-21_20251112.jpg

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

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