Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 13.  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)
 02/13/2021   06:34:47   (  -0.03,-137.22) (   0.17,-136.47)   85.43                80
 02/14/2021   18:56:17   (   0.03,-137.23) (   0.90,-141.02)  433.15                80
 02/15/2021   18:32:58   (   0.03,-137.22) (  -0.23,-136.03)  135.85                80
 02/17/2021   06:54:38   (  -0.03,-137.21) (  -0.78,-140.63)  389.37                80
 02/18/2021   06:31:19   (  -0.02,-137.20) (   0.35,-135.64)  179.26                80
 02/19/2021   18:50:09   (   0.02,-137.20) (   0.72,-140.18)  340.58                80
 02/20/2021   18:32:09   (   0.02,-137.19) (  -0.41,-135.19)  227.55                80
 02/22/2021   06:48:30   (  -0.01,-137.16) (  -0.59,-139.79)  299.25                80
 02/23/2021   06:30:30   (  -0.01,-137.15) (   0.54,-134.80)  268.28                80
 02/24/2021   18:46:42   (   0.00,-137.13) (   0.47,-139.36)  253.25                80
 02/25/2021   18:28:41   (   0.00,-137.11) (  -0.59,-134.36)  314.03                80