Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 17.  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)
 04/17/2021   06:30:49   (  -0.04,-137.19) (   0.35,-135.57)  184.81                80
 04/18/2021   18:49:39   (   0.04,-137.19) (   0.70,-140.13)  335.43                80
 04/19/2021   18:31:40   (   0.03,-137.18) (  -0.45,-135.14)  232.82                80
 04/21/2021   06:50:39   (  -0.03,-137.15) (  -0.58,-139.73)  293.29                80
 04/22/2021   06:27:19   (  -0.03,-137.14) (   0.51,-134.73)  274.59                80
 04/23/2021   18:46:09   (   0.03,-137.13) (   0.53,-139.29)  246.66                80
 04/24/2021   18:28:10   (   0.03,-137.11) (  -0.61,-134.30)  321.02                80
 04/26/2021   06:47:09   (  -0.03,-137.08) (  -0.42,-138.89)  206.01                80
 04/27/2021   06:23:48   (  -0.03,-137.06) (   0.67,-133.89)  361.16                80
 04/28/2021   18:42:39   (   0.03,-137.03) (   0.36,-138.45)  161.44                80
 04/29/2021   18:24:39   (   0.02,-137.01) (  -0.79,-133.46)  405.17                80