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: 9/10/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/12/2025	21:20:13	-0.55, 61.39	-0.51, 61.32	9.12	80
2	09/15/2025	09:20:43	0.55, 61.35	0.38, 60.55	90.71	80
3	09/16/2025	09:04:38	0.56, 61.34	1.39, 65.08	426.00	80
4	09/17/2025	21:26:24	-0.55, 61.39	-0.19, 59.83	178.07	80
5	09/18/2025	21:05:00	-0.56, 61.39	-1.25, 64.35	337.90	80
6	09/20/2025	09:29:34	0.54, 61.35	0.02, 59.07	260.96	80
7	09/21/2025	09:10:50	0.55, 61.35	1.08, 63.59	255.96	80
8	09/22/2025	21:32:35	-0.52, 61.38	0.18, 58.35	346.61	80
9	09/23/2025	21:11:10	-0.54, 61.39	-0.89, 62.87	169.13	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/10/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/10/2025 in txt file.

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