Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 7.  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)
 08/07/2021   18:53:59   (  -0.00,-137.21) (   0.88,-141.01)  434.23                80
 08/08/2021   18:36:01   (  -0.01,-137.21) (  -0.28,-136.02)  135.12                80
 08/10/2021   06:52:21   (   0.02,-137.20) (  -0.75,-140.62)  389.17                80
 08/11/2021   06:34:22   (   0.02,-137.20) (   0.35,-135.62)  180.00                80
 08/12/2021   18:50:34   (  -0.03,-137.21) (   0.66,-140.18)  339.35                80
 08/13/2021   18:32:36   (  -0.02,-137.20) (  -0.50,-135.20)  229.52                80
 08/15/2021   06:48:56   (   0.02,-137.19) (  -0.53,-139.79)  295.71                80
 08/16/2021   06:30:56   (   0.02,-137.18) (   0.57,-134.79)  272.55                80
 08/17/2021   18:47:08   (  -0.02,-137.17) (   0.49,-139.34)  248.38                80
 08/18/2021   18:26:28   (  -0.00,-137.15) (  -0.61,-134.34)  319.65                80
 08/20/2021   06:48:09   (   0.00,-137.12) (  -0.42,-138.94)  206.97                80