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: 6/9/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/11/2025 20:24:01 -0.01,-104.41 -0.00,-104.41 0.71 80
2 06/14/2025 08:27:06 0.00,-104.40 0.15,-105.16 85.61 80
3 06/15/2025 08:05:42 -0.00,-104.40 -0.84,-100.62 430.00 80
4 06/16/2025 20:27:40 0.01,-104.40 -0.31,-105.94 174.79 80
5 06/17/2025 20:11:36 0.01,-104.41 0.68,-101.41 341.52 80
6 06/19/2025 08:33:24 -0.01,-104.41 0.50,-106.68 259.28 80
7 06/20/2025 08:11:59 -0.01,-104.40 -0.49,-102.15 256.51 80
8 06/21/2025 20:33:58 0.01,-104.40 -0.66,-107.46 349.26 80
9 06/22/2025 20:17:53 0.01,-104.40 0.33,-102.93 166.78 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/9/2025
SNOs_Map_GOES-17_NOAA-21_20250610.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/09/2025 in txt file.

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