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: 8/25/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/26/2025	07:15:07	-0.19, -89.47	-0.52, -87.93	175.55	80
2	08/27/2025	19:37:03	0.19, -89.52	-0.63, -93.24	423.40	80
3	08/28/2025	19:20:58	0.19, -89.53	0.35, -88.70	93.82	80
4	08/31/2025	07:24:02	-0.20, -89.50	-0.23, -89.45	6.95	80
5	09/02/2025	19:24:33	0.21, -89.56	0.08, -90.22	75.40	80
6	09/03/2025	19:08:27	0.21, -89.56	1.06, -85.68	441.91	80
7	09/05/2025	07:30:15	-0.22, -89.54	0.09, -90.96	161.73	80
8	09/06/2025	07:08:50	-0.22, -89.55	-0.89, -86.42	355.67	80
9	09/07/2025	19:30:46	0.22, -89.60	-0.23, -91.73	242.59	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/25/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/25/2025 in txt file.

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