Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 25.  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)
 01/25/2021   06:27:59   (  -0.01,-137.22) (   0.53,-134.83)  273.02                80
 01/26/2021   18:46:49   (   0.02,-137.23) (   0.52,-139.38)  245.28                80
 01/27/2021   18:28:50   (   0.02,-137.23) (  -0.60,-134.38)  323.74                80
 01/29/2021   06:47:50   (  -0.02,-137.21) (  -0.44,-138.98)  202.34                80
 01/30/2021   06:24:31   (  -0.02,-137.20) (   0.68,-133.98)  366.04                80
 01/31/2021   18:43:22   (   0.02,-137.19) (   0.31,-138.55)  153.57                80
 02/01/2021   18:25:23   (   0.03,-137.18) (  -0.81,-133.55)  414.62                80
 02/03/2021   06:44:23   (  -0.03,-137.16) (  -0.22,-138.15)  112.29                80
 02/04/2021   06:21:03   (  -0.02,-137.14) (   0.84,-133.14)  455.36                80
 02/05/2021   18:39:54   (   0.02,-137.13) (   0.16,-137.70)   65.80                80