Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 10.  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)
 04/11/2021   06:57:38   (  -0.04,-137.19) (  -0.98,-141.40)  480.29                80
 04/12/2021   06:34:18   (  -0.04,-137.18) (   0.11,-136.40)   88.01                80
 04/13/2021   18:53:09   (   0.04,-137.17) (   0.90,-140.96)  432.03                80
 04/14/2021   18:32:30   (   0.04,-137.16) (  -0.25,-135.98)  135.82                80
 04/16/2021   06:54:08   (  -0.04,-137.12) (  -0.83,-140.56)  391.77                80
 04/17/2021   06:30:48   (  -0.04,-137.11) (   0.32,-135.57)  175.49                80
 04/18/2021   18:49:39   (   0.03,-137.09) (   0.74,-140.12)  346.10                80
 04/19/2021   18:31:39   (   0.03,-137.07) (  -0.41,-135.13)  220.72                80
 04/21/2021   06:47:59   (  -0.03,-137.02) (  -0.61,-139.73)  308.34                80
 04/22/2021   06:29:58   (  -0.02,-136.99) (   0.48,-134.72)  258.13                80
 04/23/2021   18:46:08   (   0.02,-136.96) (   0.57,-139.28)  264.49                80