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: 6/14/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/15/2025 08:08:20 -0.01,-103.98 -0.77,-100.61 384.18 80
2 06/16/2025 20:27:37 0.01,-103.71 -0.50,-105.90 250.04 80
3 06/17/2025 20:11:32 0.01,-103.53 0.49,-101.37 246.72 80
4 06/19/2025 08:30:40 -0.00,-103.25 0.74,-106.62 384.32 80
5 06/20/2025 08:14:35 -0.00,-103.07 -0.25,-102.09 112.19 80
6 06/22/2025 20:15:06 -0.00,-102.61 -0.08,-102.84 26.33 80
7 06/23/2025 19:59:01 -0.01,-102.43 0.92, -98.30 470.32 80
8 06/25/2025 08:18:09 0.01,-102.15 0.31,-103.56 160.76 80
9 06/26/2025 08:02:03 0.01,-101.97 -0.63, -99.02 335.56 80
10 06/27/2025 20:21:20 -0.02,-101.69 -0.62,-104.31 299.77 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/14/2025
SNOs_Map_GOES-17_NOAA-21_20250615.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/14/2025 in txt file.

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