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: 7/1/2026

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	07/03/2026	19:24:34	0.63, -89.50	0.53, -90.07	64.55	80
2	07/04/2026	19:08:29	0.58, -89.50	1.45, -85.53	452.65	80
3	07/06/2026	07:27:39	-0.67, -89.51	-0.40, -90.83	150.15	80
4	07/07/2026	07:11:34	-0.63, -89.51	-1.33, -86.28	367.01	80
5	07/08/2026	19:30:53	0.71, -89.51	0.23, -91.62	240.04	80
6	07/09/2026	19:14:48	0.68, -89.52	1.22, -87.09	277.00	80
7	07/11/2026	07:33:58	-0.76, -89.52	-0.12, -92.38	325.72	80
8	07/12/2026	07:17:53	-0.73, -89.52	-1.11, -87.85	191.10	80
9	07/13/2026	19:37:13	0.81, -89.52	0.02, -93.18	416.16	80
10	07/14/2026	19:21:07	0.77, -89.53	0.96, -88.64	101.10	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/1/2026

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/01/2026 in txt file.

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