Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 7 29.  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)
 07/29/2021   06:00:08   (   0.10,-127.82) (   0.13,-127.71)   12.69                80
 07/31/2021   17:59:39   (  -0.09,-127.85) (  -0.20,-127.27)   64.69                 2
 08/02/2021   06:20:01   (   0.07,-127.95) (  -0.83,-131.87)  446.77                80
 08/03/2021   05:56:43   (   0.09,-127.97) (   0.33,-126.88)  124.33                80
 08/04/2021   18:18:14   (  -0.06,-127.94) (   0.75,-131.43)  397.77                80
 08/05/2021   17:54:56   (  -0.08,-127.97) (  -0.41,-126.44)  173.71                80
 08/07/2021   06:16:36   (   0.05,-128.07) (  -0.62,-131.04)  338.30                80
 08/08/2021   05:53:18   (   0.08,-128.09) (   0.54,-126.05)  232.04                80
 08/09/2021   18:14:49   (  -0.05,-128.05) (   0.53,-130.60)  291.57                80
 08/10/2021   17:51:30   (  -0.08,-128.07) (  -0.62,-125.62)  279.31                80