Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 25.  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)
 06/26/2021   02:19:55   (   0.05, -75.13) (   0.58, -72.78)  268.43                80
 06/27/2021   14:41:27   (  -0.04, -75.15) (   0.44, -77.34)  248.75                80
 06/28/2021   14:18:09   (  -0.05, -75.15) (  -0.70, -72.35)  319.96                80
 06/30/2021   02:39:49   (   0.05, -75.13) (  -0.35, -76.94)  206.51                80
 07/01/2021   02:16:31   (   0.06, -75.13) (   0.79, -71.95)  362.70                80
 07/02/2021   14:38:03   (  -0.05, -75.17) (   0.23, -76.51)  152.80                80
 07/03/2021   14:14:44   (  -0.06, -75.17) (  -0.86, -71.51)  416.97                80
 07/05/2021   02:36:24   (   0.04, -75.16) (  -0.19, -76.10)  108.00                80
 07/06/2021   02:13:05   (   0.05, -75.17) (   0.96, -71.11)  461.81                80
 07/07/2021   14:34:38   (  -0.04, -75.21) (   0.07, -75.67)   53.11                80