Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 16.  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)
 09/17/2021   14:45:04   (   0.09, -75.21) (   0.76, -78.09)  328.64                80
 09/18/2021   14:21:45   (   0.08, -75.22) (  -0.41, -73.11)  241.13                80
 09/20/2021   02:43:26   (  -0.10, -75.22) (  -0.64, -77.70)  282.40                80
 09/21/2021   02:20:06   (  -0.09, -75.23) (   0.47, -72.70)  287.79                80
 09/22/2021   14:41:37   (   0.10, -75.26) (   0.54, -77.26)  227.41                80
 09/23/2021   14:18:18   (   0.09, -75.28) (  -0.57, -72.26)  343.35                80
 09/25/2021   02:39:58   (  -0.11, -75.29) (  -0.48, -76.85)  178.81                80
 09/26/2021   02:16:40   (  -0.10, -75.31) (   0.69, -71.87)  392.09                80
 09/27/2021   14:38:10   (   0.12, -75.35) (   0.38, -76.42)  122.48                80
 09/28/2021   14:14:52   (   0.11, -75.37) (  -0.79, -71.44)  448.76                80