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: 9/27/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/28/2025 08:39:36 -0.07,-104.70 0.72,-108.19 397.69 80
2 09/29/2025 08:18:11 -0.08,-104.70 -0.30,-103.65 118.93 80
3 09/30/2025 20:40:05 0.08,-104.70 -0.90,-108.94 484.34 80
4 10/01/2025 20:23:59 0.08,-104.70 0.12,-104.41 32.83 80
5 10/04/2025 08:27:00 -0.08,-104.71 0.04,-105.14 49.84 80
6 10/05/2025 08:05:35 -0.09,-104.71 -0.99,-100.60 467.10 80
7 10/06/2025 20:27:29 0.08,-104.71 -0.21,-105.90 136.05 80
8 10/07/2025 20:11:24 0.09,-104.71 0.83,-101.37 381.19 80
9 10/09/2025 08:33:10 -0.08,-104.72 0.34,-106.63 217.74 80
10 10/10/2025 08:11:43 -0.08,-104.71 -0.64,-102.09 298.80 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/27/2025
SNOs_Map_GOES-16_NOAA-21_20250928.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/27/2025 in txt file.

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