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: 3/4/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	03/05/2025	08:18:08	0.00,-104.40	-0.16,-103.57	93.27	80
2	03/07/2025	20:24:01	0.01,-104.42	0.01,-104.36	6.85	80
3	03/10/2025	08:27:04	-0.01,-104.39	0.13,-105.10	80.53	80
4	03/11/2025	08:05:39	-0.01,-104.39	-0.90,-100.57	435.95	80
5	03/12/2025	20:27:35	0.02,-104.42	-0.31,-105.88	165.69	80
6	03/13/2025	20:11:31	0.02,-104.43	0.72,-101.35	351.20	80
7	03/15/2025	08:33:17	-0.02,-104.41	0.49,-106.61	251.10	80
8	03/16/2025	08:11:53	-0.01,-104.41	-0.55,-102.08	265.80	80
9	03/17/2025	20:33:49	0.02,-104.44	-0.65,-107.39	335.66	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/4/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/04/2025 in txt file.

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