Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 29.  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)
 06/30/2021   02:39:49   (   0.05, -75.12) (  -0.36, -76.93)  206.58                80
 07/01/2021   02:16:31   (   0.06, -75.13) (   0.78, -71.95)  362.55                80
 07/02/2021   14:38:03   (  -0.05, -75.16) (   0.24, -76.51)  152.98                80
 07/03/2021   14:14:43   (  -0.05, -75.17) (  -0.84, -71.51)  416.70                80
 07/05/2021   02:36:25   (   0.04, -75.15) (  -0.14, -76.11)  108.52                80
 07/06/2021   02:13:05   (   0.05, -75.16) (   0.94, -71.11)  461.22                80
 07/07/2021   14:34:37   (  -0.04, -75.20) (   0.08, -75.67)   53.77                80
 07/10/2021   02:32:59   (   0.04, -75.20) (   0.03, -75.27)    8.22                80
 07/12/2021   14:28:33   (  -0.05, -75.26) (  -0.14, -74.85)   47.33                80