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: 9/29/2026

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/30/2026	07:15:34	-0.99, -89.49	-1.31, -88.14	154.86	80
2	10/01/2026	19:40:09	0.90, -89.51	0.05, -93.43	445.59	80
3	10/02/2026	19:18:44	0.96, -89.52	1.07, -88.90	69.76	80
4	10/05/2026	07:24:27	-0.91, -89.52	-0.88, -89.64	13.77	80
5	10/07/2026	19:27:38	0.87, -89.55	0.71, -90.41	97.26	80
6	10/08/2026	19:06:13	0.93, -89.56	1.74, -85.88	418.97	80
7	10/10/2026	07:30:40	-0.82, -89.58	-0.46, -91.13	177.85	80
8	10/11/2026	07:09:16	-0.89, -89.59	-1.55, -86.62	338.27	80
9	10/12/2026	19:33:49	0.77, -89.62	0.23, -91.90	260.08	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/29/2026

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 09/29/2026 in txt file.

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