Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/28/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	07/30/2025	07:24:02	-0.10, -89.48	-0.11, -89.43	5.69	80
2	08/01/2025	19:24:35	0.11, -89.53	-0.03, -90.22	77.40	80
3	08/02/2025	19:08:30	0.11, -89.54	0.99, -85.69	439.57	80
4	08/04/2025	07:27:38	-0.12, -89.51	0.21, -90.95	164.54	80
5	08/05/2025	07:11:33	-0.12, -89.51	-0.81, -86.42	352.39	80
6	08/06/2025	19:30:50	0.13, -89.56	-0.33, -91.74	247.45	80
7	08/07/2025	19:14:46	0.13, -89.57	0.69, -87.21	269.72	80
8	08/09/2025	07:33:53	-0.14, -89.54	0.52, -92.47	333.96	80
9	08/10/2025	07:17:49	-0.14, -89.55	-0.50, -87.94	183.48	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/28/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/28/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21