Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 23.  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)
 02/23/2021   06:27:50   (  -0.02,-137.20) (   0.52,-134.80)  274.67                80
 02/24/2021   18:46:41   (   0.03,-137.21) (   0.49,-139.36)  244.68                80
 02/25/2021   18:28:41   (   0.03,-137.20) (  -0.58,-134.35)  323.94                80
 02/27/2021   06:47:41   (  -0.03,-137.18) (  -0.41,-138.95)  201.70                80
 02/28/2021   06:24:21   (  -0.03,-137.17) (   0.66,-133.95)  366.52                80
 03/01/2021   18:43:13   (   0.03,-137.16) (   0.30,-138.52)  154.15                80
 03/02/2021   18:25:12   (   0.03,-137.15) (  -0.77,-133.52)  413.79                80
 03/04/2021   06:44:12   (  -0.03,-137.12) (  -0.27,-138.11)  112.92                80
 03/05/2021   06:20:52   (  -0.02,-137.10) (   0.86,-133.11)  454.36                80
 03/06/2021   18:39:44   (   0.02,-137.08) (   0.16,-137.67)   68.02                80
 03/07/2021   18:21:44   (   0.02,-137.06) (  -0.97,-132.68)  498.82                80