Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 02/17/2021   06:54:38   (  -0.03,-137.21) (  -0.77,-140.63)  389.40                80
 02/18/2021   06:31:19   (  -0.02,-137.20) (   0.35,-135.64)  179.12                80
 02/19/2021   18:52:49   (   0.02,-137.20) (   0.71,-140.19)  340.82                80
 02/20/2021   18:32:10   (   0.02,-137.19) (  -0.41,-135.19)  227.23                80
 02/22/2021   06:51:10   (  -0.02,-137.16) (  -0.59,-139.79)  299.48                80
 02/23/2021   06:30:29   (  -0.02,-137.14) (   0.48,-134.79)  268.03                80
 02/24/2021   18:46:41   (   0.01,-137.13) (   0.53,-139.35)  253.77                80
 02/25/2021   18:28:41   (   0.01,-137.11) (  -0.60,-134.36)  313.40                80
 02/27/2021   06:45:00   (  -0.01,-137.07) (  -0.45,-138.95)  214.44                80
 02/28/2021   06:27:01   (  -0.01,-137.05) (   0.68,-133.95)  352.50                80
 03/01/2021   18:43:12   (   0.01,-137.02) (   0.34,-138.51)  170.09                80