Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 8 20.  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)
 08/21/2019   06:50:27   (  -0.01,-137.20) (  -0.56,-139.79)  294.97                80
 08/22/2019   06:27:07   (  -0.01,-137.20) (   0.55,-134.80)  274.65                80
 08/23/2019   18:48:37   (   0.02,-137.21) (   0.51,-139.35)  243.84                80
 08/24/2019   18:25:18   (   0.02,-137.21) (  -0.60,-134.35)  325.26                80
 08/26/2019   06:46:58   (  -0.02,-137.20) (  -0.43,-138.95)  199.56                80
 08/27/2019   06:23:39   (  -0.02,-137.19) (   0.68,-133.95)  368.88                80
 08/28/2019   18:45:10   (   0.03,-137.19) (   0.32,-138.52)  151.28                80
 08/29/2019   18:21:51   (   0.02,-137.18) (  -0.80,-133.52)  416.80                80
 08/31/2019   06:43:31   (  -0.03,-137.16) (  -0.24,-138.12)  109.13                80
 09/01/2019   06:20:11   (  -0.02,-137.15) (   0.88,-133.12)  458.67                80
 09/02/2019   18:41:43   (   0.03,-137.13) (   0.12,-137.68)   62.32                80