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: 5/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/14/2025 08:05:16 -0.01,-104.40 -0.88,-100.52 442.93 80
2 05/15/2025 20:27:13 0.01,-104.43 -0.32,-105.82 159.03 80
3 05/16/2025 20:11:10 0.01,-104.43 0.70,-101.30 357.17 80
4 05/18/2025 08:32:59 -0.01,-104.42 0.51,-106.57 246.37 80
5 05/19/2025 08:11:36 -0.01,-104.41 -0.52,-102.05 269.50 80
6 05/20/2025 20:33:33 0.00,-104.44 -0.67,-107.35 333.11 80
7 05/21/2025 20:17:29 0.00,-104.44 0.35,-102.83 183.31 80
8 05/23/2025 08:39:20 -0.00,-104.43 0.79,-108.11 419.21 80
9 05/24/2025 08:17:55 -0.00,-104.43 -0.18,-103.58 96.69 80
10 05/26/2025 20:23:49 -0.00,-104.44 0.02,-104.36 9.19 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/13/2025
SNOs_Map_GOES-17_NOAA-21_20250514.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/13/2025 in txt file.

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