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: 8/6/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/07/2025	19:14:45	0.13, -89.50	0.66, -87.20	263.05	80
2	08/09/2025	07:33:53	-0.14, -89.47	0.54, -92.46	341.59	80
3	08/10/2025	07:17:48	-0.14, -89.47	-0.48, -87.93	174.90	80
4	08/11/2025	19:37:05	0.15, -89.50	-0.70, -93.24	425.86	80
5	08/12/2025	19:21:00	0.14, -89.51	0.32, -88.71	90.98	80
6	08/15/2025	07:21:23	-0.15, -89.48	-0.14, -89.44	4.38	80
7	08/17/2025	19:24:35	0.16, -89.52	-0.00, -90.22	80.38	80
8	08/18/2025	19:08:30	0.16, -89.52	1.03, -85.69	436.33	80
9	08/20/2025	07:27:39	-0.17, -89.49	0.13, -90.97	167.45	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/6/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/06/2025 in txt file.

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