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: 4/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/18/2025 20:33:10 0.02,-104.39 -0.62,-107.25 325.58 80
2 04/19/2025 20:17:03 0.02,-104.39 0.39,-102.71 191.39 80
3 04/21/2025 08:38:48 -0.01,-104.35 0.78,-107.97 412.07 80
4 04/22/2025 08:17:22 -0.01,-104.35 -0.23,-103.43 104.67 80
5 04/23/2025 20:39:14 0.01,-104.38 -1.00,-108.72 495.40 80
6 04/24/2025 20:23:08 0.01,-104.38 0.03,-104.18 21.92 80
7 04/27/2025 08:26:07 -0.01,-104.34 0.12,-104.90 64.32 80
8 04/28/2025 08:04:40 -0.01,-104.33 -0.91,-100.37 452.27 80
9 04/29/2025 20:26:33 0.01,-104.35 -0.29,-105.65 148.33 80
10 04/30/2025 20:10:26 0.01,-104.35 0.74,-101.12 368.55 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/17/2025
SNOs_Map_GOES-17_NOAA-21_20250418.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/17/2025 in txt file.

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