Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 4 20.  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)
 04/20/2021   13:30:14   (   0.04, -75.19) (   1.00, -79.48)  488.90                80
 04/21/2021   13:12:15   (   0.04, -75.19) (  -0.10, -74.50)   77.68                80
 04/23/2021   01:31:16   (  -0.04, -75.16) (  -0.89, -79.15)  453.33                80
 04/24/2021   01:07:56   (  -0.04, -75.16) (   0.15, -74.16)  113.58                80
 04/25/2021   13:26:48   (   0.04, -75.19) (   0.82, -78.77)  407.87                80
 04/26/2021   13:08:48   (   0.04, -75.19) (  -0.29, -73.80)  159.42                80
 04/28/2021   01:27:49   (  -0.04, -75.18) (  -0.76, -78.43)  370.68                80
 04/29/2021   01:04:29   (  -0.03, -75.18) (   0.35, -73.46)  196.52                80
 04/30/2021   13:23:21   (   0.03, -75.21) (   0.68, -78.06)  324.70                80
 05/01/2021   13:05:21   (   0.03, -75.22) (  -0.43, -73.08)  242.84                80
 05/03/2021   01:24:22   (  -0.02, -75.21) (  -0.55, -77.73)  286.48                80
 05/04/2021   01:01:02   (  -0.02, -75.22) (   0.50, -72.74)  281.45                80