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: 9/21/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/22/2025	21:32:35	-0.52, 61.36	0.17, 58.35	343.70	80
2	09/23/2025	21:11:10	-0.54, 61.37	-0.90, 62.87	172.31	80
3	09/25/2025	09:35:45	0.51, 61.33	-0.32, 57.59	426.73	80
4	09/26/2025	09:14:50	0.53, 61.33	0.70, 62.12	89.77	49
5	09/28/2025	21:17:46	-0.52, 61.38	-0.52, 61.40	2.14	54
6	10/01/2025	09:23:09	0.50, 61.38	0.33, 60.65	83.69	80
7	10/02/2025	09:01:44	0.53, 61.38	1.41, 65.17	431.95	80
8	10/03/2025	21:26:10	-0.49, 61.43	-0.15, 59.92	171.08	80
9	10/04/2025	21:04:44	-0.52, 61.44	-1.18, 64.46	343.45	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/21/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/21/2025 in txt file.

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