Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 3 19.  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)
 03/19/2021   18:24:12   (   0.03,-137.21) (  -0.77,-133.51)  421.10                80
 03/21/2021   06:45:51   (  -0.04,-137.19) (  -0.26,-138.10)  104.21                80
 03/22/2021   06:22:31   (  -0.03,-137.18) (   0.86,-133.10)  463.81                80
 03/23/2021   18:41:24   (   0.03,-137.17) (   0.17,-137.67)   57.49                80
 03/26/2021   06:42:24   (  -0.03,-137.12) (  -0.08,-137.26)   16.35                80
 03/28/2021   18:40:36   (   0.03,-137.09) (  -0.01,-136.83)   28.93                80
 03/30/2021   06:59:36   (  -0.03,-137.05) (  -1.01,-141.42)  498.35                80
 03/31/2021   06:36:16   (  -0.03,-137.03) (   0.10,-136.43)   68.34                80
 04/01/2021   18:55:08   (   0.03,-137.00) (   0.92,-140.99)  455.23                80