Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 16.  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)
 02/16/2021   18:14:23   (   0.12,-127.96) (   0.70,-130.58)  298.46                80
 02/17/2021   17:51:04   (   0.11,-127.99) (  -0.42,-125.59)  273.89                80
 02/19/2021   06:12:43   (  -0.13,-127.96) (  -0.64,-130.17)  252.31                80
 02/20/2021   05:49:24   (  -0.11,-127.99) (   0.49,-125.18)  319.68                80
 02/21/2021   18:10:56   (   0.13,-128.11) (   0.46,-129.75)  187.18                80
 02/22/2021   17:47:37   (   0.11,-128.13) (  -0.66,-124.76)  384.43                80
 02/24/2021   06:09:16   (  -0.13,-128.09) (  -0.39,-129.35)  142.99                80
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.74,-124.36)  428.32                80
 02/26/2021   18:07:28   (   0.13,-128.22) (   0.28,-128.92)   79.58                80
 02/27/2021   17:44:08   (   0.12,-128.24) (  -0.85,-123.93)  491.58                80
 03/01/2021   06:05:48   (  -0.14,-128.19) (  -0.19,-128.52)   36.51                80