Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 06/19/2021   12:48:46   (  -0.07, -75.22) (  -1.03, -70.93)  489.75                80
 06/21/2021   01:10:25   (   0.06, -75.18) (  -0.02, -75.56)   43.57                80
 06/23/2021   13:05:57   (  -0.07, -75.16) (  -0.07, -75.19)    2.65                80
 06/26/2021   01:04:17   (   0.07, -75.11) (   0.15, -74.84)   30.32                80
 06/27/2021   13:25:48   (  -0.07, -75.12) (   0.88, -79.45)  492.74                80
 06/28/2021   13:02:29   (  -0.08, -75.11) (  -0.25, -74.47)   73.39                80
 06/30/2021   01:24:08   (   0.08, -75.08) (  -0.80, -79.10)  457.96                80
 07/01/2021   01:00:48   (   0.09, -75.08) (   0.32, -74.13)  108.76                80