Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and FY3D Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon FY3D Lat,Lon Distance(km) Time Diff (sec)
1 04/21/2026 21:46:23 0.00, -89.48 -0.45, -91.51 230.84 80
2 04/22/2026 21:30:07 -0.04, -89.48 0.57, -86.91 294.09 80
3 04/24/2026 09:48:59 -0.04, -89.50 0.54, -92.07 293.49 80
4 04/25/2026 09:32:44 -0.00, -89.50 -0.49, -87.47 232.00 80
5 04/26/2026 21:51:44 0.09, -89.49 -0.64, -92.66 361.93 80
6 04/27/2026 21:35:29 0.04, -89.50 0.38, -88.06 163.92 80
7 04/29/2026 09:54:21 -0.13, -89.52 0.73, -93.22 422.49 80
8 04/30/2026 09:38:06 -0.09, -89.53 -0.29, -88.62 103.55 80
9 05/01/2026 21:57:07 0.18, -89.53 -0.79, -93.82 489.82 80
10 05/02/2026 21:40:51 0.14, -89.54 0.22, -89.22 36.19 80

Figure of GOES-17 and FY3D satellite orbits during SNOs since TLE Epoch: 4/20/2026
SNOs_Map_GOES-17_FY3D_20260421.jpg

Download SNOs between GOES-17 and FY3D since TLE EPOCH: 04/20/2026 in txt file.

Historical Predications of SNOs between GOES-17 and FY3D