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: 8/8/2025

Index	Date	Time (GOES-17)	GOES-17 Lat,Lon	NOAA-21 Lat,Lon	Distance(km)	Time Diff (sec)
1	08/09/2025	07:33:53	-0.14, -89.47	0.50, -92.47	341.50	80
2	08/10/2025	07:17:48	-0.14, -89.47	-0.46, -87.93	175.10	80
3	08/11/2025	19:37:05	0.15, -89.51	-0.67, -93.24	425.34	80
4	08/12/2025	19:21:00	0.14, -89.51	0.30, -88.70	91.63	80
5	08/15/2025	07:24:04	-0.15, -89.49	-0.17, -89.45	4.60	80
6	08/17/2025	19:24:35	0.16, -89.53	0.03, -90.23	79.41	80
7	08/18/2025	19:08:30	0.16, -89.53	1.00, -85.69	437.43	80
8	08/20/2025	07:27:38	-0.17, -89.50	0.16, -90.96	166.44	80
9	08/21/2025	07:11:34	-0.17, -89.51	-0.86, -86.43	350.69	80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/8/2025

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/08/2025 in txt file.

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