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: 4/1/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	04/02/2025	20:33:35	0.04,-104.42	-0.62,-107.35	333.82	80
2	04/03/2025	20:17:29	0.03,-104.41	0.42,-102.81	182.91	80
3	04/05/2025	08:39:15	-0.03,-104.38	0.78,-108.07	419.91	80
4	04/06/2025	08:17:48	-0.02,-104.38	-0.20,-103.53	96.86	80
5	04/08/2025	20:23:37	0.01,-104.41	0.05,-104.30	13.63	80
6	04/11/2025	08:26:36	-0.01,-104.40	0.15,-105.01	70.93	80
7	04/12/2025	08:05:10	-0.01,-104.40	-0.90,-100.48	446.36	80
8	04/13/2025	20:27:05	0.01,-104.43	-0.26,-105.78	153.91	80
9	04/14/2025	20:10:58	0.02,-104.43	0.74,-101.24	363.53	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/1/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/01/2025 in txt file.

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