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: 9/26/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/28/2025 08:39:37 -0.09,-104.70 0.69,-108.19 398.01 80
2 09/29/2025 08:18:11 -0.09,-104.70 -0.33,-103.66 118.56 80
3 09/30/2025 20:40:05 0.09,-104.70 -0.87,-108.95 484.75 80
4 10/01/2025 20:24:00 0.09,-104.70 0.15,-104.42 32.24 80
5 10/04/2025 08:27:01 -0.10,-104.71 0.01,-105.14 50.25 80
6 10/05/2025 08:05:35 -0.10,-104.71 -1.02,-100.61 466.57 80
7 10/06/2025 20:27:30 0.09,-104.71 -0.18,-105.90 136.60 80
8 10/07/2025 20:11:24 0.10,-104.71 0.85,-101.37 380.57 80
9 10/09/2025 08:33:09 -0.09,-104.71 0.37,-106.62 218.36 80
10 10/10/2025 08:11:44 -0.09,-104.71 -0.67,-102.09 298.14 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/26/2025
SNOs_Map_GOES-16_NOAA-21_20250927.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/26/2025 in txt file.

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