Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/20/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/23/2025	07:22:56	-0.18, -89.46	-0.23, -89.35	12.97	80
2	08/25/2025	19:23:28	0.19, -89.52	0.08, -90.13	68.54	80
3	08/26/2025	19:07:22	0.18, -89.53	1.06, -85.59	449.04	80
4	08/28/2025	07:29:10	-0.19, -89.49	0.09, -90.86	154.69	80
5	08/29/2025	07:07:44	-0.19, -89.50	-0.89, -86.32	362.72	80
6	08/30/2025	19:29:40	0.20, -89.56	-0.28, -91.62	235.62	80
7	08/31/2025	19:13:36	0.20, -89.56	0.76, -87.09	281.93	80
8	09/02/2025	07:35:23	-0.21, -89.53	0.40, -92.36	321.50	80
9	09/03/2025	07:13:58	-0.21, -89.54	-0.59, -87.82	195.93	80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/20/2025

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20