Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/14/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/15/2025 20:27:14 0.01,-104.42 -0.27,-105.83 160.02 80
2 05/16/2025 20:11:09 0.01,-104.42 0.69,-101.30 355.80 80
3 05/18/2025 08:33:00 -0.01,-104.40 0.46,-106.58 248.53 80
4 05/19/2025 08:11:36 -0.01,-104.39 -0.56,-102.06 266.90 80
5 05/20/2025 20:33:34 0.00,-104.41 -0.63,-107.36 336.18 80
6 05/21/2025 20:17:29 0.00,-104.41 0.33,-102.82 179.85 80
7 05/23/2025 08:39:19 -0.00,-104.39 0.81,-108.11 423.46 80
8 05/24/2025 08:17:55 -0.00,-104.39 -0.16,-103.57 92.03 80
9 05/26/2025 20:23:49 0.00,-104.39 -0.00,-104.36 3.80 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/14/2025
SNOs_Map_GOES-17_NOAA-21_20250515.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/14/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21