Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 14.  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)
 02/14/2021   18:56:18   (   0.03,-137.23) (   0.87,-141.03)  433.03                80
 02/15/2021   18:32:58   (   0.03,-137.23) (  -0.26,-136.04)  135.99                80
 02/17/2021   06:54:38   (  -0.03,-137.21) (  -0.81,-140.62)  389.22                80
 02/18/2021   06:31:18   (  -0.02,-137.21) (   0.32,-135.63)  179.40                80
 02/19/2021   18:52:49   (   0.02,-137.20) (   0.69,-140.19)  340.30                80
 02/20/2021   18:29:30   (   0.02,-137.19) (  -0.44,-135.20)  227.84                80
 02/22/2021   06:48:29   (  -0.02,-137.17) (  -0.62,-139.79)  298.80                80
 02/23/2021   06:30:30   (  -0.02,-137.15) (   0.51,-134.79)  268.78                80
 02/24/2021   18:46:41   (   0.01,-137.14) (   0.50,-139.35)  252.75                80
 02/25/2021   18:28:42   (   0.01,-137.12) (  -0.62,-134.36)  314.51                80
 02/27/2021   06:45:01   (  -0.00,-137.08) (  -0.42,-138.95)  213.25                80