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: 9/18/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/18/2025	21:04:59	-0.57, 61.38	-1.22, 64.36	339.26	80
2	09/20/2025	09:26:54	0.54, 61.33	0.04, 59.06	258.16	80
3	09/21/2025	09:10:49	0.55, 61.33	1.05, 63.60	258.99	80
4	09/22/2025	21:32:35	-0.52, 61.36	0.15, 58.34	344.23	80
5	09/23/2025	21:11:10	-0.54, 61.37	-0.86, 62.88	171.73	80
6	09/25/2025	09:35:45	0.51, 61.34	-0.30, 57.58	427.41	80
7	09/26/2025	09:14:20	0.53, 61.34	0.71, 62.12	89.05	80
8	09/28/2025	21:17:20	-0.52, 61.39	-0.52, 61.40	1.17	80
9	10/01/2025	09:23:09	0.50, 61.38	0.33, 60.64	84.65	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/18/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/18/2025 in txt file.

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