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: 9/11/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/12/2025 08:39:48 -0.12,-104.66 0.71,-108.24 409.07 80
2 09/13/2025 08:18:23 -0.12,-104.65 -0.35,-103.72 107.01 80
3 09/14/2025 20:40:17 0.12,-104.66 -0.88,-109.01 495.78 80
4 09/15/2025 20:24:13 0.13,-104.66 0.18,-104.48 20.64 80
5 09/18/2025 08:27:15 -0.13,-104.64 0.00,-105.21 65.06 80
6 09/19/2025 08:05:49 -0.14,-104.64 -1.00,-100.68 451.45 80
7 09/20/2025 20:27:45 0.14,-104.66 -0.16,-105.98 150.50 80
8 09/21/2025 20:11:39 0.14,-104.66 0.84,-101.44 366.68 80
9 09/23/2025 08:33:26 -0.13,-104.66 0.33,-106.71 233.99 80
10 09/24/2025 08:12:01 -0.14,-104.66 -0.67,-102.17 282.79 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/11/2025
SNOs_Map_GOES-16_NOAA-21_20250912.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/11/2025 in txt file.

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