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: 10/17/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/20/2025 08:26:38 -0.03,-104.69 0.04,-105.03 38.11 80
2 10/21/2025 08:05:11 -0.03,-104.69 -0.96,-100.49 478.91 80
3 10/22/2025 20:27:06 0.02,-104.70 -0.23,-105.78 123.86 80
4 10/23/2025 20:10:59 0.02,-104.70 0.77,-101.24 393.50 80
5 10/25/2025 08:32:45 -0.01,-104.70 0.38,-106.50 205.28 80
6 10/26/2025 08:11:18 -0.02,-104.69 -0.63,-101.96 311.40 80
7 10/27/2025 20:33:12 0.01,-104.69 -0.55,-107.26 292.57 80
8 10/28/2025 20:17:06 0.02,-104.69 0.46,-102.71 224.54 80
9 10/30/2025 08:38:50 -0.01,-104.69 0.74,-107.97 373.51 80
10 10/31/2025 08:17:24 -0.02,-104.69 -0.27,-103.43 143.27 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/17/2025
SNOs_Map_GOES-16_NOAA-21_20251018.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/17/2025 in txt file.

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