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: 6/10/2025
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 -0.02,-104.41 1.22 80
2 06/14/2025 08:27:06 0.00,-104.40 0.17,-105.16 85.50 80
3 06/15/2025 08:05:41 0.00,-104.40 -0.82,-100.62 430.11 80
4 06/16/2025 20:27:40 0.00,-104.40 -0.32,-105.94 174.79 80
5 06/17/2025 20:11:35 0.00,-104.40 0.66,-101.41 341.49 80
6 06/19/2025 08:33:24 -0.00,-104.40 0.52,-106.68 259.22 80
7 06/20/2025 08:12:00 -0.00,-104.40 -0.53,-102.16 256.57 80
8 06/21/2025 20:33:57 -0.00,-104.39 -0.67,-107.46 349.30 80
9 06/22/2025 20:17:53 -0.00,-104.39 0.32,-102.93 166.76 80
10 06/24/2025 08:39:41 0.00,-104.40 0.85,-108.20 433.57 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/10/2025
SNOs_Map_GOES-17_NOAA-21_20250611.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/10/2025 in txt file.

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