Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2021   06:42:13   (   0.03,-137.20) (  -0.18,-138.13)  105.64                80
 09/12/2021   06:24:13   (   0.03,-137.20) (   0.91,-133.13)  463.19                80
 09/13/2021   18:40:23   (  -0.03,-137.19) (   0.07,-137.69)   57.12                80
 09/16/2021   06:41:23   (   0.03,-137.16) (   0.02,-137.29)   15.02                80
 09/18/2021   18:39:32   (  -0.03,-137.13) (  -0.08,-136.85)   32.17                80
 09/20/2021   06:58:32   (   0.02,-137.11) (  -0.92,-141.45)  493.87                80
 09/21/2021   06:35:11   (   0.02,-137.10) (   0.18,-136.45)   74.00                80
 09/22/2021   18:54:01   (  -0.02,-137.08) (   0.85,-141.00)  447.45                80
 09/23/2021   18:36:00   (  -0.02,-137.06) (  -0.24,-136.00)  120.19                80