Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/16/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/17/2025 20:23:38 0.04,-104.69 0.10,-104.30 43.05 80
2 10/20/2025 08:26:38 -0.03,-104.66 0.02,-105.03 41.43 80
3 10/21/2025 08:05:12 -0.03,-104.66 -0.98,-100.49 474.91 80
4 10/22/2025 20:27:06 0.02,-104.65 -0.21,-105.79 128.79 80
5 10/23/2025 20:11:00 0.02,-104.64 0.79,-101.24 387.78 80
6 10/25/2025 08:32:44 -0.01,-104.63 0.42,-106.49 212.55 80
7 10/26/2025 08:11:17 -0.02,-104.62 -0.59,-101.95 303.34 80
8 10/27/2025 20:33:12 0.01,-104.60 -0.59,-107.25 301.54 80
9 10/28/2025 20:17:05 0.02,-104.59 0.42,-102.71 214.77 80
10 10/30/2025 08:38:50 -0.01,-104.59 0.77,-107.96 384.85 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/16/2025
SNOs_Map_GOES-16_NOAA-21_20251017.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/16/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21