Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/18/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	07/19/2025	19:19:53	0.06, -89.52	0.24, -88.65	99.22	80
2	07/22/2025	07:22:57	-0.08, -89.48	-0.11, -89.39	11.00	80
3	07/24/2025	19:23:30	0.09, -89.53	-0.03, -90.17	72.79	80
4	07/25/2025	19:07:24	0.08, -89.53	0.93, -85.63	444.36	80
5	07/27/2025	07:26:32	-0.09, -89.51	0.21, -90.90	158.85	80
6	07/28/2025	07:10:28	-0.09, -89.52	-0.80, -86.37	358.81	80
7	07/29/2025	19:29:45	0.10, -89.57	-0.35, -91.68	239.98	80
8	07/30/2025	19:13:40	0.09, -89.58	0.61, -87.14	277.93	80
9	08/01/2025	07:32:48	-0.10, -89.56	0.52, -92.41	324.58	80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/18/2025

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 07/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20