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: 3/31/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	04/01/2025	08:11:40	-0.04,-104.39	-0.55,-102.04	267.31	80
2	04/02/2025	20:33:35	0.04,-104.42	-0.61,-107.35	333.55	80
3	04/03/2025	20:17:28	0.03,-104.42	0.37,-102.80	183.30	80
4	04/05/2025	08:39:14	-0.03,-104.39	0.83,-108.06	419.42	80
5	04/06/2025	08:17:48	-0.02,-104.39	-0.21,-103.53	97.46	80
6	04/08/2025	20:23:37	0.01,-104.42	0.07,-104.30	14.82	80
7	04/11/2025	08:26:36	-0.01,-104.41	0.13,-105.01	69.68	80
8	04/12/2025	08:05:10	-0.02,-104.41	-0.92,-100.49	447.69	80
9	04/13/2025	20:27:04	0.01,-104.44	-0.30,-105.77	152.30	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/31/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/31/2025 in txt file.

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