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: 8/18/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/19/2025 20:27:57 0.08,-104.72 -0.24,-106.02 148.69 80
2 08/20/2025 20:11:52 0.08,-104.72 0.80,-101.50 367.55 80
3 08/22/2025 08:33:40 -0.09,-104.70 0.36,-106.77 235.52 80
4 08/23/2025 08:12:15 -0.08,-104.70 -0.62,-102.23 280.89 80
5 08/24/2025 20:34:11 0.09,-104.72 -0.53,-107.54 321.24 80
6 08/25/2025 20:18:07 0.09,-104.72 0.50,-103.01 195.69 80
7 08/27/2025 08:39:54 -0.09,-104.71 0.71,-108.27 406.32 80
8 08/28/2025 08:18:30 -0.09,-104.71 -0.32,-103.75 110.24 80
9 08/29/2025 20:40:25 0.10,-104.73 -0.88,-109.05 492.35 80
10 08/30/2025 20:24:20 0.10,-104.73 0.16,-104.52 24.34 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/18/2025
SNOs_Map_GOES-16_NOAA-21_20250819.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 08/18/2025 in txt file.

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