Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 5.  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)
 06/05/2020   18:08:31   (   0.14,-128.03) (   0.55,-129.77)  199.22                80
 06/06/2020   17:50:32   (   0.14,-128.00) (  -0.57,-124.78)  367.34                80
 06/08/2020   06:09:32   (  -0.13,-127.91) (  -0.45,-129.37)  166.39                80
 06/09/2020   05:46:13   (  -0.13,-127.88) (   0.68,-124.38)  399.65                80
 06/10/2020   18:05:03   (   0.12,-127.89) (   0.38,-128.93)  119.98                80
 06/11/2020   17:47:04   (   0.12,-127.86) (  -0.75,-123.94)  446.39                80
 06/13/2020   06:06:04   (  -0.11,-127.77) (  -0.26,-128.54)   87.08                80
 06/14/2020   05:42:43   (  -0.11,-127.74) (   0.81,-123.54)  478.85                80
 06/15/2020   18:01:35   (   0.10,-127.74) (   0.19,-128.10)   41.51                80
 06/18/2020   05:59:54   (  -0.10,-127.62) (  -0.13,-127.69)    9.30                80