Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/7/2025

Index	Date	Time (GOES-15)	GOES-15 Lat,Lon	NOAA-20 Lat,Lon	Distance(km)	Time Diff (sec)
1	09/09/2025	09:33:17	0.55, 61.37	-0.29, 57.50	440.06	80
2	09/10/2025	09:17:12	0.56, 61.35	0.71, 62.04	78.36	80
3	09/12/2025	21:20:13	-0.55, 61.37	-0.57, 61.31	7.58	80
4	09/15/2025	09:20:43	0.55, 61.31	0.38, 60.55	87.43	80
5	09/16/2025	09:04:38	0.56, 61.31	1.39, 65.08	429.93	80
6	09/17/2025	21:26:24	-0.54, 61.34	-0.19, 59.83	172.82	80
7	09/18/2025	21:05:00	-0.56, 61.34	-1.25, 64.35	343.83	80
8	09/20/2025	09:29:34	0.53, 61.29	0.02, 59.06	254.30	80
9	09/21/2025	09:10:49	0.55, 61.28	1.10, 63.59	263.28	80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/7/2025

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/07/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20