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: 3/12/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	03/13/2025	20:11:31	0.03,-104.41	0.73,-101.35	349.69	80
2	03/15/2025	08:33:17	-0.03,-104.39	0.47,-106.61	253.30	80
3	03/16/2025	08:11:53	-0.03,-104.39	-0.56,-102.09	263.18	80
4	03/17/2025	20:33:49	0.03,-104.42	-0.63,-107.39	338.49	80
5	03/18/2025	20:17:44	0.03,-104.42	0.35,-102.85	178.05	80
6	03/20/2025	08:39:31	-0.03,-104.39	0.79,-108.13	425.09	80
7	03/21/2025	08:18:06	-0.03,-104.39	-0.20,-103.59	91.16	80
8	03/23/2025	20:23:56	0.01,-104.41	0.02,-104.36	5.60	80
9	03/26/2025	08:26:57	-0.00,-104.38	0.18,-105.08	81.14	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/12/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/12/2025 in txt file.

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