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: 8/26/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/27/2025	19:37:04	0.19, -89.52	-0.62, -93.24	423.44	80
2	08/28/2025	19:20:58	0.19, -89.53	0.36, -88.70	93.73	80
3	08/31/2025	07:21:21	-0.20, -89.50	-0.19, -89.44	7.16	80
4	09/02/2025	19:24:32	0.21, -89.55	0.03, -90.21	75.63	80
5	09/03/2025	19:08:27	0.21, -89.56	1.08, -85.68	441.67	80
6	09/05/2025	07:30:16	-0.22, -89.53	0.08, -90.96	161.94	80
7	09/06/2025	07:08:50	-0.22, -89.54	-0.90, -86.42	355.44	80
8	09/07/2025	19:30:45	0.22, -89.59	-0.27, -91.72	242.93	80
9	09/08/2025	19:14:41	0.22, -89.61	0.77, -87.20	274.96	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/26/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/26/2025 in txt file.

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