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: 10/21/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/22/2025 20:27:06 0.02,-104.69 -0.22,-105.78 123.95 80
2 10/23/2025 20:10:59 0.02,-104.69 0.78,-101.24 393.34 80
3 10/25/2025 08:32:45 -0.01,-104.69 0.37,-106.50 205.53 80
4 10/26/2025 08:11:18 -0.01,-104.69 -0.63,-101.96 311.12 80
5 10/27/2025 20:33:12 0.01,-104.68 -0.54,-107.25 293.08 80
6 10/28/2025 20:17:06 0.01,-104.68 0.46,-102.71 223.97 80
7 10/30/2025 08:38:50 -0.01,-104.68 0.73,-107.97 374.17 80
8 10/31/2025 08:17:24 -0.01,-104.68 -0.29,-103.43 142.54 80
9 11/01/2025 20:39:18 0.01,-104.66 -0.88,-108.72 461.99 80
10 11/02/2025 20:23:12 0.01,-104.66 0.14,-104.18 55.37 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/21/2025
SNOs_Map_GOES-16_NOAA-21_20251022.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/21/2025 in txt file.

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