Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 3 6.  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)
 03/06/2021   05:59:38   (  -0.14,-128.28) (  -0.02,-127.67)   68.80                80
 03/07/2021   18:21:11   (   0.15,-128.39) (   0.99,-132.24)  439.05                80
 03/08/2021   17:57:51   (   0.14,-128.40) (  -0.14,-127.25)  131.28                80
 03/10/2021   06:19:30   (  -0.15,-128.32) (  -0.94,-131.83)  399.97                80
 03/11/2021   05:56:10   (  -0.14,-128.34) (   0.19,-126.84)  170.26                80
 03/12/2021   18:17:41   (   0.15,-128.44) (   0.84,-131.40)  337.84                80
 03/13/2021   17:54:22   (   0.15,-128.45) (  -0.29,-126.41)  232.56                80
 03/15/2021   06:16:01   (  -0.15,-128.38) (  -0.72,-131.00)  298.67                80
 03/16/2021   05:52:42   (  -0.15,-128.39) (   0.41,-126.01)  271.35                80
 03/17/2021   18:11:33   (   0.15,-128.49) (   0.62,-130.57)  237.62                80
 03/18/2021   17:50:54   (   0.14,-128.49) (  -0.51,-125.58)  332.17                80