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: 9/16/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/17/2025	21:26:24	-0.55, 61.38	-0.19, 59.83	177.07	80
2	09/18/2025	21:05:00	-0.57, 61.38	-1.25, 64.35	339.12	80
3	09/20/2025	09:29:34	0.54, 61.33	0.01, 59.07	258.41	80
4	09/21/2025	09:10:49	0.55, 61.33	1.08, 63.59	258.73	80
5	09/22/2025	21:32:35	-0.52, 61.37	0.18, 58.35	344.45	80
6	09/23/2025	21:11:10	-0.54, 61.37	-0.89, 62.87	171.50	80
7	09/25/2025	09:35:45	0.51, 61.34	-0.33, 57.59	427.71	80
8	09/26/2025	09:16:59	0.53, 61.34	0.68, 62.12	88.77	80
9	09/28/2025	21:20:00	-0.51, 61.39	-0.49, 61.40	3.04	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/16/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/16/2025 in txt file.

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