Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 12 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)
 12/16/2018   18:16:29   (  -0.15,-128.61) (   0.66,-132.29)  419.45                80
 12/17/2018   17:58:31   (  -0.15,-128.61) (  -0.45,-127.30)  149.96                80
 12/19/2018   06:17:32   (   0.14,-128.63) (  -0.62,-131.88)  371.61                80
 12/20/2018   05:54:15   (   0.15,-128.62) (   0.56,-126.90)  196.32                80
 12/21/2018   18:13:07   (  -0.14,-128.59) (   0.49,-131.46)  326.32                80
 12/22/2018   17:55:08   (  -0.14,-128.58) (  -0.63,-126.46)  242.12                80
 12/24/2018   06:14:10   (   0.12,-128.60) (  -0.44,-131.05)  280.04                80
 12/25/2018   05:50:51   (   0.13,-128.58) (   0.67,-126.06)  287.05                80
 12/26/2018   18:09:43   (  -0.11,-128.53) (   0.37,-130.61)  237.57                80
 12/27/2018   17:51:45   (  -0.12,-128.52) (  -0.75,-125.62)  330.38                80
 12/29/2018   06:10:47   (   0.10,-128.54) (  -0.26,-130.22)  191.36                80