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: 8/28/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/31/2025	07:24:02	-0.20, -89.50	-0.23, -89.45	7.03	80
2	09/02/2025	19:24:33	0.21, -89.55	0.09, -90.22	75.68	80
3	09/03/2025	19:08:27	0.21, -89.56	1.07, -85.68	441.63	80
4	09/05/2025	07:30:15	-0.22, -89.53	0.07, -90.96	161.86	80
5	09/06/2025	07:08:50	-0.22, -89.54	-0.91, -86.42	355.54	80
6	09/07/2025	19:30:45	0.22, -89.59	-0.26, -91.72	242.92	80
7	09/08/2025	19:14:40	0.22, -89.60	0.73, -87.18	274.99	80
8	09/10/2025	07:36:28	-0.22, -89.59	0.41, -92.46	327.30	80
9	09/11/2025	07:15:03	-0.22, -89.60	-0.58, -87.92	190.36	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/28/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/28/2025 in txt file.

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