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: 9/23/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/25/2025	09:35:45	0.51, 61.33	-0.30, 57.58	426.10	80
2	09/26/2025	09:14:19	0.53, 61.33	0.71, 62.12	90.51	80
3	09/28/2025	21:17:20	-0.52, 61.37	-0.54, 61.40	3.78	80
4	10/01/2025	09:23:09	0.50, 61.37	0.37, 60.64	82.27	80
5	10/02/2025	09:01:44	0.53, 61.37	1.40, 65.17	433.55	80
6	10/03/2025	21:26:09	-0.49, 61.41	-0.16, 59.93	169.09	80
7	10/04/2025	21:04:43	-0.52, 61.43	-1.19, 64.46	345.61	80
8	10/06/2025	09:29:17	0.47, 61.43	-0.05, 59.18	256.52	80
9	10/07/2025	09:07:51	0.50, 61.44	0.98, 63.71	258.91	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/23/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/23/2025 in txt file.

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