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: 9/8/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/09/2025	09:33:17	0.55, 61.36	-0.30, 57.50	439.74	80
2	09/10/2025	09:17:11	0.56, 61.35	0.70, 62.04	78.80	80
3	09/12/2025	21:20:13	-0.55, 61.37	-0.56, 61.31	6.88	80
4	09/15/2025	09:20:43	0.55, 61.31	0.38, 60.55	86.47	80
5	09/16/2025	09:04:39	0.56, 61.30	1.44, 65.07	431.01	80
6	09/17/2025	21:26:24	-0.54, 61.33	-0.18, 59.83	171.80	80
7	09/18/2025	21:05:00	-0.56, 61.33	-1.25, 64.35	344.96	80
8	09/20/2025	09:29:34	0.54, 61.28	0.02, 59.07	252.81	80
9	09/21/2025	09:10:49	0.55, 61.27	1.09, 63.59	264.86	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/8/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/08/2025 in txt file.

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