Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 11.  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   (   0.04,-137.20) (  -0.19,-138.12)  105.66                80
 09/12/2021   06:24:13   (   0.03,-137.20) (   0.96,-133.14)  463.25                80
 09/13/2021   18:40:23   (  -0.03,-137.19) (   0.08,-137.69)   56.94                80
 09/16/2021   06:38:43   (   0.03,-137.16) (   0.01,-137.29)   14.55                80
 09/18/2021   18:39:31   (  -0.03,-137.13) (  -0.07,-136.84)   32.66                80
 09/20/2021   06:58:32   (   0.03,-137.12) (  -0.94,-141.45)  493.42                80
 09/21/2021   06:35:11   (   0.03,-137.10) (   0.16,-136.45)   74.52                80
 09/22/2021   18:54:00   (  -0.03,-137.08) (   0.87,-141.00)  446.88                80
 09/23/2021   18:36:01   (  -0.03,-137.07) (  -0.28,-136.01)  120.84                80