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: 9/19/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/20/2025	09:26:55	0.54, 61.33	0.05, 59.06	257.92	80
2	09/21/2025	09:10:49	0.55, 61.32	1.06, 63.60	259.24	80
3	09/22/2025	21:32:35	-0.52, 61.36	0.14, 58.34	343.97	80
4	09/23/2025	21:11:10	-0.54, 61.37	-0.87, 62.88	172.01	80
5	09/25/2025	09:35:44	0.51, 61.33	-0.36, 57.59	427.07	80
6	09/26/2025	09:14:20	0.53, 61.33	0.72, 62.12	89.41	80
7	09/28/2025	21:17:21	-0.52, 61.38	-0.53, 61.40	1.75	80
8	10/01/2025	09:23:09	0.50, 61.38	0.34, 60.64	84.20	80
9	10/02/2025	09:01:44	0.53, 61.39	1.35, 65.18	431.39	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/19/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/19/2025 in txt file.

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