Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 18.  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)
 12/18/2021   14:41:36   (  -0.04, -75.21) (   0.40, -77.31)  238.54                80
 12/19/2021   14:18:16   (  -0.04, -75.20) (  -0.67, -72.30)  330.14                80
 12/21/2021   02:39:56   (   0.03, -75.18) (  -0.32, -76.90)  196.01                80
 12/22/2021   02:16:36   (   0.03, -75.17) (   0.74, -71.90)  372.87                80
 12/23/2021   14:35:27   (  -0.03, -75.19) (   0.27, -76.46)  144.88                80
 12/24/2021   14:17:27   (  -0.03, -75.19) (  -0.86, -71.47)  424.49                80
 12/26/2021   02:36:27   (   0.02, -75.18) (  -0.19, -76.06)  100.49                80
 12/27/2021   02:13:07   (   0.03, -75.18) (   0.94, -71.06)  469.12                80
 12/28/2021   14:31:59   (  -0.02, -75.21) (   0.07, -75.63)   47.69                80
 12/31/2021   02:32:58   (   0.02, -75.21) (   0.01, -75.22)    2.29                80