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: 10/14/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/15/2025 08:17:50 -0.04,-104.69 -0.29,-103.55 129.19 80
2 10/16/2025 20:39:45 0.04,-104.69 -0.90,-108.85 473.54 80
3 10/17/2025 20:23:39 0.04,-104.70 0.15,-104.32 43.98 80
4 10/20/2025 08:26:38 -0.04,-104.70 0.03,-105.03 37.50 80
5 10/21/2025 08:05:12 -0.04,-104.70 -0.97,-100.49 479.66 80
6 10/22/2025 20:27:06 0.03,-104.71 -0.22,-105.78 122.91 80
7 10/23/2025 20:10:59 0.03,-104.71 0.78,-101.24 394.60 80
8 10/25/2025 08:32:45 -0.02,-104.71 0.38,-106.50 203.84 80
9 10/26/2025 08:11:18 -0.02,-104.71 -0.63,-101.96 312.97 80
10 10/27/2025 20:33:13 0.01,-104.70 -0.55,-107.26 290.81 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/14/2025
SNOs_Map_GOES-16_NOAA-21_20251015.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/14/2025 in txt file.

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