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)
 02/24/2021   06:09:16   (  -0.13,-128.09) (  -0.40,-129.35)  143.17                80
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.73,-124.35)  428.17                80
 02/26/2021   18:07:27   (   0.14,-128.22) (   0.29,-128.91)   78.89                80
 02/27/2021   17:44:08   (   0.13,-128.24) (  -0.84,-123.92)  492.34                80
 03/01/2021   06:05:47   (  -0.14,-128.19) (  -0.20,-128.51)   36.35                80
 03/03/2021   18:01:19   (   0.14,-128.31) (   0.09,-128.08)   26.39                80
 03/06/2021   05:59:39   (  -0.14,-128.26) (   0.00,-127.68)   66.99                80
 03/07/2021   18:21:10   (   0.15,-128.36) (   1.02,-132.24)  442.66                80
 03/08/2021   17:57:51   (   0.14,-128.37) (  -0.11,-127.25)  127.42                80