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: 6/29/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/30/2025 08:27:15 0.02,-104.72 0.11,-105.20 55.05 80
2 07/01/2025 08:05:51 0.02,-104.72 -0.89,-100.67 461.22 80
3 07/02/2025 20:27:48 -0.02,-104.73 -0.32,-105.98 142.62 80
4 07/03/2025 20:11:45 -0.01,-104.73 0.74,-101.46 373.70 80
5 07/05/2025 08:33:32 0.00,-104.73 0.47,-106.72 227.71 80
6 07/06/2025 08:12:08 -0.01,-104.73 -0.59,-102.20 288.27 80
7 07/07/2025 20:34:06 0.01,-104.73 -0.62,-107.50 316.22 80
8 07/08/2025 20:18:01 0.01,-104.73 0.38,-102.97 199.94 80
9 07/10/2025 08:39:50 -0.00,-104.72 0.77,-108.25 401.47 80
10 07/11/2025 08:18:25 -0.00,-104.72 -0.23,-103.72 114.54 80
11 07/12/2025 20:40:22 -0.00,-104.72 -0.96,-109.02 490.12 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/29/2025
SNOs_Map_GOES-16_NOAA-21_20250630.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 06/29/2025 in txt file.

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