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: 9/12/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/13/2025 08:18:23 -0.11,-104.65 -0.34,-103.71 107.14 80
2 09/14/2025 20:40:17 0.11,-104.66 -0.89,-109.00 495.59 80
3 09/15/2025 20:24:13 0.12,-104.66 0.17,-104.48 20.76 80
4 09/18/2025 08:27:15 -0.12,-104.64 0.02,-105.21 65.22 80
5 09/19/2025 08:05:50 -0.13,-104.64 -1.04,-100.68 451.24 80
6 09/20/2025 20:27:44 0.13,-104.66 -0.18,-105.97 150.66 80
7 09/21/2025 20:11:39 0.13,-104.66 0.82,-101.44 366.46 80
8 09/23/2025 08:33:26 -0.12,-104.65 0.36,-106.70 234.45 80
9 09/24/2025 08:12:02 -0.13,-104.65 -0.70,-102.18 282.26 80
10 09/25/2025 20:33:56 0.12,-104.66 -0.51,-107.47 320.26 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/12/2025
SNOs_Map_GOES-16_NOAA-21_20250913.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/12/2025 in txt file.

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