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: 9/4/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/05/2025	07:30:14	-0.22, -89.49	0.13, -90.94	166.73	80
2	09/06/2025	07:08:50	-0.22, -89.48	-0.92, -86.42	349.50	80
3	09/07/2025	19:30:45	0.22, -89.51	-0.25, -91.72	251.01	80
4	09/08/2025	19:14:40	0.22, -89.51	0.74, -87.18	265.73	80
5	09/10/2025	07:36:27	-0.22, -89.48	0.45, -92.45	338.02	80
6	09/11/2025	07:15:01	-0.22, -89.48	-0.55, -87.91	178.48	80
7	09/12/2025	19:36:57	0.22, -89.51	-0.61, -93.21	422.23	80
8	09/13/2025	19:20:51	0.23, -89.51	0.39, -88.68	94.39	80
9	09/16/2025	07:21:14	-0.23, -89.48	-0.28, -89.42	8.10	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/4/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 09/04/2025 in txt file.

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