Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 12 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)
 12/20/2021   00:43:25   (   0.06, -75.18) (   0.67, -72.37)  319.53                80
 12/20/2021   13:03:05   (  -0.05, -75.20) (   0.22, -76.46)  143.90                80
 12/23/2021   00:45:29   (   0.05, -75.17) (   0.56, -72.72)  277.69                80
 12/23/2021   13:04:58   (  -0.04, -75.19) (   0.32, -76.77)  180.54                80
 12/26/2021   00:47:32   (   0.04, -75.17) (   0.47, -73.08)  237.25                80
 12/26/2021   13:06:50   (  -0.04, -75.19) (   0.36, -77.09)  215.44                80
 12/29/2021   00:49:36   (   0.03, -75.18) (   0.40, -73.44)  198.00                80
 12/29/2021   13:08:42   (  -0.03, -75.21) (   0.42, -77.40)  249.13                80
 01/01/2022   00:51:39   (   0.03, -75.20) (   0.31, -73.79)  159.38                80
 01/01/2022   13:07:52   (  -0.02, -75.22) (   0.50, -77.70)  282.24                80