Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/20/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/21/2025	09:10:50	0.56, 61.32	1.09, 63.59	259.39	80
2	09/22/2025	21:32:35	-0.52, 61.36	0.16, 58.35	343.78	80
3	09/23/2025	21:11:11	-0.54, 61.37	-0.91, 62.87	172.23	80
4	09/25/2025	09:35:45	0.51, 61.33	-0.32, 57.59	426.87	80
5	09/26/2025	09:14:26	0.53, 61.33	0.70, 62.12	89.62	73
6	09/28/2025	21:20:00	-0.52, 61.38	-0.51, 61.40	2.17	80
7	10/01/2025	09:23:09	0.50, 61.38	0.32, 60.65	83.93	80
8	10/02/2025	09:01:45	0.53, 61.39	1.40, 65.17	431.70	80
9	10/03/2025	21:26:10	-0.49, 61.43	-0.14, 59.93	171.33	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/20/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20