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: 6/7/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	06/08/2025	08:39:32	-0.01,-104.41	0.83,-108.16	427.59	80
2	06/09/2025	08:18:08	-0.01,-104.41	-0.16,-103.63	88.18	80
3	06/11/2025	20:21:21	0.00,-104.41	0.00,-104.41	0.45	80
4	06/14/2025	08:27:06	0.01,-104.40	0.15,-105.16	85.73	80
5	06/15/2025	08:05:42	0.01,-104.40	-0.84,-100.63	430.04	80
6	06/16/2025	20:27:39	-0.01,-104.40	-0.36,-105.93	174.80	80
7	06/17/2025	20:11:35	-0.01,-104.40	0.63,-101.40	341.53	80
8	06/19/2025	08:33:23	0.02,-104.40	0.55,-106.67	259.10	80
9	06/20/2025	08:11:59	0.02,-104.40	-0.50,-102.15	256.69	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/7/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/07/2025 in txt file.

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