Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 27.  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)
 02/27/2021   17:44:08   (   0.13,-128.25) (  -0.81,-123.92)  493.12                80
 03/01/2021   06:05:47   (  -0.14,-128.20) (  -0.23,-128.51)   35.81                80
 03/03/2021   18:01:19   (   0.14,-128.32) (   0.12,-128.07)   28.01                80
 03/06/2021   05:59:38   (  -0.14,-128.28) (  -0.02,-127.67)   68.34                80
 03/07/2021   18:21:11   (   0.15,-128.37) (   0.98,-132.25)  440.57                80
 03/08/2021   17:57:50   (   0.14,-128.39) (  -0.09,-127.24)  129.71                80
 03/10/2021   06:19:30   (  -0.15,-128.32) (  -0.93,-131.83)  400.65                80
 03/11/2021   05:56:10   (  -0.14,-128.33) (   0.20,-126.84)  169.43                80
 03/12/2021   18:15:01   (   0.15,-128.42) (   0.83,-131.40)  339.84                80