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: 5/19/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/20/2025 20:33:33 0.00,-104.42 -0.67,-107.35 335.05 80
2 05/21/2025 20:17:30 0.00,-104.42 0.35,-102.83 181.19 80
3 05/23/2025 08:39:19 -0.00,-104.40 0.84,-108.10 422.14 80
4 05/24/2025 08:17:55 -0.00,-104.40 -0.18,-103.58 93.55 80
5 05/26/2025 20:23:49 0.00,-104.41 0.02,-104.36 6.23 80
6 05/29/2025 08:26:54 0.01,-104.39 0.19,-105.10 81.21 80
7 05/30/2025 08:05:31 0.02,-104.39 -0.84,-100.58 434.44 80
8 05/31/2025 20:27:28 -0.02,-104.40 -0.35,-105.89 169.07 80
9 06/01/2025 20:11:24 -0.02,-104.40 0.69,-101.36 347.30 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/19/2025
SNOs_Map_GOES-17_NOAA-21_20250520.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/19/2025 in txt file.

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