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: 9/28/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/29/2025 08:18:11 -0.08,-104.71 -0.30,-103.65 120.67 80
2 09/30/2025 20:40:06 0.08,-104.73 -0.84,-108.96 480.48 80
3 10/01/2025 20:24:00 0.08,-104.75 0.18,-104.42 38.31 80
4 10/04/2025 08:27:01 -0.08,-104.80 -0.02,-105.15 39.28 80
5 10/05/2025 08:05:36 -0.09,-104.82 -1.05,-100.62 479.34 80
6 10/06/2025 20:27:30 0.08,-104.84 -0.15,-105.91 121.61 80
7 10/07/2025 20:11:25 0.09,-104.86 0.88,-101.38 397.31 80
8 10/09/2025 08:33:10 -0.08,-104.89 0.34,-106.63 198.54 80
9 10/10/2025 08:11:44 -0.08,-104.91 -0.70,-102.10 319.76 80
10 10/11/2025 20:36:19 0.07,-104.92 -0.49,-107.39 282.38 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/28/2025
SNOs_Map_GOES-16_NOAA-21_20250929.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/28/2025 in txt file.

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