Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 12.  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)
 11/12/2021   18:47:12   (  -0.03,-137.20) (   0.44,-139.34)  243.90                80
 11/13/2021   18:29:12   (  -0.03,-137.19) (  -0.67,-134.34)  324.87                80
 11/15/2021   06:48:13   (   0.03,-137.19) (  -0.34,-138.94)  199.42                80
 11/16/2021   06:24:53   (   0.03,-137.18) (   0.77,-133.95)  369.11                80
 11/17/2021   18:43:45   (  -0.03,-137.17) (   0.29,-138.50)  151.94                80
 11/18/2021   18:25:45   (  -0.03,-137.16) (  -0.82,-133.50)  416.27                80
 11/20/2021   06:44:45   (   0.02,-137.14) (  -0.18,-138.10)  109.08                80
 11/21/2021   06:21:26   (   0.02,-137.13) (   0.94,-133.11)  458.63                80
 11/22/2021   18:40:17   (  -0.01,-137.10) (   0.12,-137.66)   63.87                80
 11/25/2021   06:41:17   (   0.00,-137.06) (  -0.06,-137.26)   23.20                80