Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 24.  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)
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.71,-124.35)  428.21                80
 02/26/2021   18:07:27   (   0.14,-128.22) (   0.31,-128.91)   78.63                80
 02/27/2021   17:44:08   (   0.13,-128.24) (  -0.82,-123.92)  492.67                80
 03/01/2021   06:05:47   (  -0.14,-128.19) (  -0.22,-128.51)   36.08                80
 03/03/2021   18:01:19   (   0.14,-128.32) (   0.11,-128.08)   27.01                80
 03/06/2021   05:59:39   (  -0.14,-128.27) (  -0.01,-127.68)   67.51                80
 03/07/2021   18:21:10   (   0.15,-128.36) (   1.03,-132.24)  441.88                80
 03/08/2021   17:57:51   (   0.14,-128.37) (  -0.10,-127.24)  128.28                80
 03/10/2021   06:19:30   (  -0.15,-128.31) (  -0.92,-131.84)  401.86                80