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: 8/19/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/20/2025	19:19:54	0.18, -89.51	0.38, -88.62	101.02	80
2	08/23/2025	07:20:16	-0.18, -89.46	-0.20, -89.35	12.90	80
3	08/25/2025	19:23:27	0.19, -89.52	0.06, -90.12	68.35	80
4	08/26/2025	19:07:22	0.18, -89.53	1.04, -85.58	449.19	80
5	08/28/2025	07:29:09	-0.19, -89.50	0.12, -90.85	154.50	80
6	08/29/2025	07:07:45	-0.19, -89.50	-0.92, -86.32	362.93	80
7	08/30/2025	19:29:41	0.20, -89.56	-0.25, -91.63	235.39	80
8	08/31/2025	19:13:36	0.20, -89.57	0.74, -87.09	282.18	80
9	09/02/2025	07:35:23	-0.21, -89.54	0.42, -92.35	321.19	80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/19/2025

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/19/2025 in txt file.

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