Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 15.  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)
 04/16/2021   06:54:08   (  -0.04,-137.19) (  -0.81,-140.56)  383.88                80
 04/17/2021   06:30:49   (  -0.04,-137.19) (   0.33,-135.57)  184.78                80
 04/18/2021   18:49:39   (   0.04,-137.19) (   0.72,-140.12)  335.43                80
 04/19/2021   18:31:40   (   0.03,-137.18) (  -0.43,-135.14)  232.82                80
 04/21/2021   06:50:39   (  -0.03,-137.15) (  -0.60,-139.73)  293.25                80
 04/22/2021   06:27:18   (  -0.03,-137.14) (   0.49,-134.73)  274.63                80
 04/23/2021   18:46:10   (   0.03,-137.13) (   0.49,-139.30)  246.61                80
 04/24/2021   18:28:09   (   0.03,-137.11) (  -0.60,-134.29)  321.08                80
 04/26/2021   06:44:29   (  -0.03,-137.08) (  -0.43,-138.89)  205.93                80
 04/27/2021   06:26:28   (  -0.03,-137.06) (   0.66,-133.89)  361.26                80
 04/28/2021   18:42:39   (   0.03,-137.03) (   0.32,-138.46)  161.34                80