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: 9/7/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/08/2025 08:12:11 -0.12,-104.66 -0.69,-102.22 278.57 80
2 09/09/2025 20:34:05 0.12,-104.67 -0.54,-107.51 323.98 80
3 09/10/2025 20:18:01 0.12,-104.67 0.51,-102.98 192.73 80
4 09/12/2025 08:39:48 -0.12,-104.66 0.68,-108.25 409.12 80
5 09/13/2025 08:18:23 -0.13,-104.65 -0.32,-103.71 106.89 80
6 09/14/2025 20:40:18 0.13,-104.65 -0.84,-109.02 496.94 80
7 09/15/2025 20:24:12 0.13,-104.65 0.16,-104.48 19.39 80
8 09/18/2025 08:27:15 -0.14,-104.64 -0.04,-105.22 65.72 80
9 09/19/2025 08:05:50 -0.14,-104.64 -1.04,-100.69 450.78 80
10 09/20/2025 20:27:44 0.14,-104.65 -0.17,-105.98 152.17 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/7/2025
SNOs_Map_GOES-16_NOAA-21_20250908.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/07/2025 in txt file.

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