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: 5/2/2026

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	05/03/2026	07:27:55	0.31, -89.50	0.54, -90.59	124.08	80
2	05/04/2026	07:11:49	0.34, -89.50	-0.45, -86.05	393.39	80
3	05/05/2026	19:31:06	-0.26, -89.50	-0.68, -91.37	213.27	80
4	05/06/2026	19:15:00	-0.30, -89.50	0.32, -86.84	304.54	80
5	05/08/2026	07:34:09	0.22, -89.52	0.81, -92.12	296.76	80
6	05/09/2026	07:18:03	0.27, -89.52	-0.18, -87.58	221.27	80
7	05/10/2026	19:37:19	-0.18, -89.53	-0.93, -92.90	384.75	80
8	05/11/2026	19:21:13	-0.22, -89.53	0.01, -88.36	133.67	80
9	05/13/2026	07:40:22	0.14, -89.56	1.06, -93.65	466.90	80
10	05/14/2026	07:24:17	0.18, -89.57	0.06, -89.12	51.46	80
11	05/16/2026	19:24:47	-0.13, -89.58	-0.21, -89.89	36.16	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/2/2026

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/02/2026 in txt file.

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