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: 11/14/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/15/2025 19:38:52 0.06, -89.50 -0.69, -92.95 393.01 80
2 11/16/2025 19:17:29 0.08, -89.51 0.33, -88.43 122.64 80
3 11/18/2025 07:41:59 -0.03, -89.51 0.91, -93.69 477.43 80
4 11/19/2025 07:20:36 -0.06, -89.51 -0.11, -89.17 37.76 80
5 11/21/2025 19:26:33 0.03, -89.52 -0.09, -89.96 50.21 80
6 11/22/2025 19:05:11 0.06, -89.53 1.00, -85.45 465.61 80
7 11/24/2025 07:29:40 -0.01, -89.54 0.28, -90.70 133.87 80
8 11/25/2025 07:08:18 -0.04, -89.54 -0.81, -86.20 381.46 80
9 11/26/2025 19:32:57 -0.01, -89.55 -0.45, -91.50 221.89 80
10 11/27/2025 19:11:34 0.02, -89.56 0.59, -86.98 294.34 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/14/2025
SNOs_Map_GOES-17_NOAA-21_20251115.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/14/2025 in txt file.

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