Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 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)
 08/15/2021   06:48:56   (   0.02,-137.20) (  -0.55,-139.78)  294.40                80
 08/16/2021   06:30:56   (   0.01,-137.20) (   0.55,-134.79)  274.58                80
 08/17/2021   18:47:08   (  -0.01,-137.19) (   0.45,-139.35)  245.44                80
 08/18/2021   18:29:09   (  -0.01,-137.19) (  -0.65,-134.35)  323.04                80
 08/20/2021   06:45:29   (   0.02,-137.17) (  -0.38,-138.94)  202.73                80
 08/21/2021   06:27:30   (   0.03,-137.16) (   0.72,-133.95)  365.31                80
 08/22/2021   18:43:42   (  -0.03,-137.15) (   0.28,-138.51)  155.40                80
 08/23/2021   18:25:43   (  -0.03,-137.14) (  -0.82,-133.51)  412.81                80
 08/25/2021   06:44:43   (   0.03,-137.12) (  -0.22,-138.11)  112.94                80
 08/26/2021   06:21:24   (   0.03,-137.11) (   0.94,-133.12)  455.03                80
 08/27/2021   18:40:16   (  -0.02,-137.09) (   0.10,-137.67)   66.19                80