Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 12 15.  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)
 12/17/2021   00:41:21   (   0.06, -75.20) (   0.75, -72.01)  363.09                80
 12/17/2021   13:01:11   (  -0.05, -75.22) (   0.15, -76.14)  105.40                80
 12/20/2021   00:43:26   (   0.05, -75.19) (   0.69, -72.38)  321.20                80
 12/20/2021   13:00:26   (  -0.04, -75.21) (   0.20, -76.47)  142.66                80
 12/23/2021   00:45:29   (   0.04, -75.19) (   0.57, -72.73)  280.18                80
 12/23/2021   13:02:18   (  -0.03, -75.21) (   0.32, -76.77)  178.46                80
 12/26/2021   00:47:34   (   0.03, -75.20) (   0.50, -73.09)  240.46                80
 12/26/2021   13:06:51   (  -0.03, -75.22) (   0.40, -77.09)  212.68                80
 12/29/2021   00:49:38   (   0.03, -75.22) (   0.40, -73.45)  201.91                80
 12/29/2021   13:06:03   (  -0.03, -75.25) (   0.44, -77.40)  245.68                80