Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/23/2021   14:38:08   (  -0.03, -75.19) (   0.23, -76.47)  145.33                80
 12/24/2021   14:14:47   (  -0.04, -75.19) (  -0.85, -71.46)  423.82                80
 12/26/2021   02:36:27   (   0.03, -75.17) (  -0.15, -76.07)  102.04                80
 12/27/2021   02:13:07   (   0.03, -75.17) (   0.93, -71.06)  467.37                80
 12/28/2021   14:34:38   (  -0.03, -75.20) (   0.07, -75.63)   48.97                80
 12/31/2021   02:32:58   (   0.03, -75.18) (   0.01, -75.22)    4.89                80
 01/02/2022   14:31:09   (  -0.03, -75.22) (  -0.10, -74.79)   48.67                80
 01/04/2022   02:50:09   (   0.03, -75.21) (  -0.89, -79.39)  476.17                80
 01/05/2022   02:26:49   (   0.03, -75.21) (   0.19, -74.38)   94.07                80