Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 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)
 08/17/2021   18:47:08   (  -0.01,-137.19) (   0.46,-139.35)  245.07                80
 08/18/2021   18:29:09   (  -0.01,-137.19) (  -0.65,-134.35)  323.49                80
 08/20/2021   06:45:29   (   0.02,-137.17) (  -0.39,-138.94)  202.20                80
 08/21/2021   06:27:31   (   0.02,-137.16) (   0.77,-133.96)  365.92                80
 08/22/2021   18:43:42   (  -0.03,-137.15) (   0.28,-138.51)  154.65                80
 08/23/2021   18:25:42   (  -0.03,-137.15) (  -0.82,-133.51)  413.66                80
 08/25/2021   06:44:43   (   0.03,-137.13) (  -0.22,-138.10)  112.03                80
 08/26/2021   06:21:24   (   0.03,-137.12) (   0.94,-133.12)  456.04                80
 08/27/2021   18:40:16   (  -0.02,-137.10) (   0.11,-137.67)   65.00                80
 08/30/2021   06:41:16   (   0.02,-137.06) (  -0.05,-137.27)   24.04                80