Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 8 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2021   17:54:56   (  -0.07,-127.97) (  -0.39,-126.44)  173.49                80
 08/07/2021   06:16:36   (   0.05,-128.06) (  -0.64,-131.03)  339.01                80
 08/08/2021   05:53:17   (   0.07,-128.08) (   0.52,-126.05)  231.27                80
 08/09/2021   18:14:49   (  -0.05,-128.04) (   0.55,-130.60)  292.19                80
 08/10/2021   17:51:30   (  -0.07,-128.06) (  -0.60,-125.61)  278.55                80
 08/12/2021   06:13:10   (   0.04,-128.15) (  -0.43,-130.20)  234.04                80
 08/13/2021   05:49:52   (   0.07,-128.16) (   0.73,-125.22)  335.80                80
 08/14/2021   18:11:23   (  -0.03,-128.11) (   0.33,-129.77)  188.90                80
 08/15/2021   17:48:05   (  -0.06,-128.12) (  -0.82,-124.78)  381.11                80
 08/17/2021   06:09:45   (   0.02,-128.21) (  -0.21,-129.38)  132.27                80
 08/18/2021   05:46:26   (   0.05,-128.21) (   0.89,-124.38)  436.68                80