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: 8/29/2025

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	-0.24, -89.45	7.33	80
2	09/02/2025	19:24:32	0.21, -89.55	0.04, -90.21	75.62	80
3	09/03/2025	19:08:27	0.21, -89.56	1.08, -85.68	441.68	80
4	09/05/2025	07:30:14	-0.22, -89.53	0.12, -90.95	161.74	80
5	09/06/2025	07:08:50	-0.22, -89.54	-0.92, -86.42	355.65	80
6	09/07/2025	19:30:45	0.22, -89.59	-0.25, -91.72	242.84	80
7	09/08/2025	19:14:40	0.22, -89.60	0.74, -87.19	275.07	80
8	09/10/2025	07:36:28	-0.22, -89.59	0.40, -92.46	327.14	80
9	09/11/2025	07:15:03	-0.22, -89.60	-0.60, -87.93	190.52	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/29/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/29/2025 in txt file.

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