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: 7/19/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	07/22/2025	07:22:57	-0.08, -89.48	-0.10, -89.39	10.93	80
2	07/24/2025	19:23:29	0.09, -89.53	-0.04, -90.17	72.46	80
3	07/25/2025	19:07:25	0.08, -89.53	0.98, -85.64	444.67	80
4	07/27/2025	07:26:32	-0.09, -89.51	0.22, -90.90	158.73	80
5	07/28/2025	07:10:28	-0.09, -89.52	-0.79, -86.37	358.95	80
6	07/29/2025	19:29:45	0.10, -89.57	-0.35, -91.68	239.53	80
7	07/30/2025	19:13:41	0.09, -89.59	0.67, -87.15	278.40	80
8	08/01/2025	07:32:48	-0.11, -89.56	0.53, -92.41	324.30	80
9	08/02/2025	07:16:43	-0.10, -89.58	-0.49, -87.88	193.64	80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/19/2025

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 07/19/2025 in txt file.

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