Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 1 13.  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)
 01/13/2021   13:40:13   (   0.00, -75.20) (   0.83, -79.01)  434.23                80
 01/14/2021   13:16:53   (  -0.00, -75.20) (  -0.27, -74.03)  133.15                80
 01/16/2021   01:38:34   (  -0.00, -75.18) (  -0.77, -78.66)  396.79                80
 01/17/2021   01:17:54   (  -0.00, -75.19) (   0.33, -73.69)  171.29                80
 01/18/2021   13:34:06   (   0.01, -75.23) (   0.65, -78.29)  347.85                80
 01/19/2021   13:16:06   (   0.01, -75.25) (  -0.39, -73.30)  220.71                80
 01/21/2021   01:35:07   (  -0.01, -75.24) (  -0.58, -77.95)  307.82                80
 01/22/2021   01:11:47   (  -0.01, -75.26) (   0.47, -72.96)  260.99                80
 01/23/2021   13:30:39   (   0.01, -75.31) (   0.52, -77.57)  257.41                80
 01/24/2021   13:12:40   (   0.01, -75.33) (  -0.59, -72.59)  311.57                80
 01/26/2021   01:31:40   (  -0.01, -75.33) (  -0.43, -77.22)  216.29                80
 01/27/2021   01:08:21   (  -0.02, -75.34) (   0.68, -72.25)  352.90                80