Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2021   14:38:33   (   0.02, -75.20) (   0.52, -77.31)  240.89                80
 01/05/2021   14:20:34   (   0.03, -75.20) (  -0.61, -72.32)  328.01                80
 01/07/2021   02:39:36   (  -0.03, -75.17) (  -0.44, -76.92)  199.44                80
 01/08/2021   02:16:17   (  -0.02, -75.17) (   0.69, -71.93)  369.50                80
 01/09/2021   14:35:09   (   0.01, -75.20) (   0.32, -76.49)  147.35                80
 01/10/2021   14:17:11   (  -0.00, -75.21) (  -0.82, -71.50)  421.70                80
 01/12/2021   02:36:12   (   0.00, -75.18) (  -0.23, -76.10)  105.17                80
 01/13/2021   02:12:54   (  -0.00, -75.19) (   0.90, -71.11)  464.42                80
 01/14/2021   14:31:46   (   0.01, -75.23) (   0.10, -75.68)   50.85                80
 01/17/2021   02:32:49   (  -0.02, -75.23) (  -0.02, -75.28)    5.76                80