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: 2/1/2026

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	02/02/2026	07:15:43	0.55, -89.53	0.16, -87.76	201.61	80
2	02/03/2026	19:40:19	-0.59, -89.49	-1.36, -93.06	405.41	80
3	02/04/2026	19:18:55	-0.57, -89.50	-0.36, -88.52	111.77	80
4	02/06/2026	07:43:23	0.60, -89.57	1.56, -93.78	481.20	80
5	02/07/2026	07:22:00	0.58, -89.57	0.49, -89.26	35.91	80
6	02/09/2026	19:27:52	-0.60, -89.55	-0.69, -90.03	53.56	80
7	02/10/2026	19:06:27	-0.59, -89.57	0.31, -85.49	464.13	80
8	02/12/2026	07:30:55	0.62, -89.63	0.87, -90.76	128.26	80
9	02/13/2026	07:09:31	0.61, -89.64	-0.14, -86.23	389.19	80
10	02/14/2026	19:34:07	-0.64, -89.61	-1.06, -91.52	217.79	80
11	02/15/2026	19:12:43	-0.63, -89.63	-0.05, -86.99	300.29	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 2/1/2026

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 02/01/2026 in txt file.

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