Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 23.  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)
 02/24/2021   06:09:16   (  -0.13,-128.09) (  -0.41,-129.34)  143.17                80
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.72,-124.35)  428.14                80
 02/26/2021   18:07:27   (   0.14,-128.22) (   0.30,-128.91)   79.07                80
 02/27/2021   17:44:08   (   0.13,-128.24) (  -0.83,-123.92)  492.14                80
 03/01/2021   06:05:47   (  -0.14,-128.19) (  -0.21,-128.51)   36.49                80
 03/03/2021   18:01:19   (   0.14,-128.31) (   0.10,-128.08)   26.09                80
 03/06/2021   05:59:39   (  -0.14,-128.26) (  -0.01,-127.68)   66.65                80
 03/07/2021   18:21:10   (   0.15,-128.35) (   1.03,-132.24)  443.14                80
 03/08/2021   17:57:51   (   0.14,-128.36) (  -0.10,-127.24)  126.92                80