Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 16.  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)
 12/17/2021   02:20:05   (   0.04, -75.20) (   0.61, -72.74)  280.60                80
 12/18/2021   14:41:36   (  -0.04, -75.21) (   0.41, -77.30)  237.93                80
 12/19/2021   14:18:17   (  -0.04, -75.21) (  -0.71, -72.31)  330.98                80
 12/21/2021   02:39:56   (   0.03, -75.19) (  -0.34, -76.90)  194.47                80
 12/22/2021   02:16:36   (   0.03, -75.19) (   0.79, -71.91)  374.64                80
 12/23/2021   14:35:28   (  -0.03, -75.21) (   0.23, -76.47)  143.09                80
 12/24/2021   14:17:27   (  -0.03, -75.21) (  -0.84, -71.46)  426.55                80
 12/26/2021   02:36:28   (   0.02, -75.20) (  -0.15, -76.07)   97.76                80
 12/27/2021   02:13:07   (   0.02, -75.21) (   0.92, -71.06)  472.09                80
 12/28/2021   14:31:58   (  -0.02, -75.24) (   0.09, -75.62)   44.75                80