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: 4/2/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/03/2026 19:31:17 -0.59, -89.48 -1.01, -91.35 212.67 80
2 04/04/2026 19:15:11 -0.61, -89.48 -0.00, -86.81 305.18 80
3 04/06/2026 07:34:19 0.56, -89.51 1.12, -92.08 292.25 80
4 04/07/2026 07:18:13 0.59, -89.51 0.12, -87.54 225.66 80
5 04/08/2026 19:37:29 -0.54, -89.49 -1.26, -92.84 381.24 80
6 04/09/2026 19:21:23 -0.57, -89.50 -0.31, -88.29 136.99 80
7 04/11/2026 07:40:30 0.51, -89.53 1.43, -93.56 459.87 80
8 04/12/2026 07:24:25 0.54, -89.54 0.42, -89.03 58.57 80
9 04/14/2026 19:24:55 -0.52, -89.53 -0.59, -89.78 28.77 80
10 04/15/2026 19:08:49 -0.55, -89.54 0.42, -85.25 490.14 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/2/2026
SNOs_Map_GOES-17_NOAA-21_20260403.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/02/2026 in txt file.

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