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: 9/1/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/02/2025 08:27:23 -0.11,-104.68 0.02,-105.25 65.09 80
2 09/03/2025 08:05:58 -0.11,-104.67 -1.02,-100.72 450.77 80
3 09/04/2025 20:27:53 0.12,-104.67 -0.21,-106.01 153.11 80
4 09/05/2025 20:11:48 0.12,-104.67 0.84,-101.48 363.24 80
5 09/07/2025 08:33:35 -0.12,-104.66 0.36,-106.75 238.40 80
6 09/08/2025 08:12:11 -0.12,-104.65 -0.69,-102.22 277.79 80
7 09/09/2025 20:34:05 0.12,-104.65 -0.53,-107.51 326.20 80
8 09/10/2025 20:18:00 0.12,-104.65 0.47,-102.98 190.21 80
9 09/12/2025 08:39:48 -0.12,-104.64 0.66,-108.26 411.20 80
10 09/13/2025 08:18:23 -0.13,-104.63 -0.34,-103.72 104.55 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/1/2025
SNOs_Map_GOES-16_NOAA-21_20250902.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/01/2025 in txt file.

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