Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 11 22.  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)
 11/23/2018   17:54:42   (  -0.25,-128.32) (  -0.68,-126.46)  212.61                80
 11/25/2018   06:13:43   (   0.24,-128.33) (  -0.38,-131.05)  309.68                80
 11/26/2018   05:50:25   (   0.24,-128.35) (   0.73,-126.06)  260.91                80
 11/27/2018   18:09:18   (  -0.22,-128.40) (   0.29,-130.62)  252.96                80
 11/28/2018   17:51:21   (  -0.23,-128.42) (  -0.88,-125.64)  318.50                80
 11/30/2018   06:10:22   (   0.21,-128.43) (  -0.18,-130.22)  203.66                80
 12/01/2018   05:47:04   (   0.22,-128.45) (   0.93,-125.23)  366.49                80
 12/02/2018   18:05:57   (  -0.21,-128.49) (   0.08,-129.79)  148.75                80
 12/03/2018   17:47:58   (  -0.21,-128.51) (  -1.03,-124.80)  422.39                80
 12/05/2018   06:07:01   (   0.20,-128.52) (   0.03,-129.40)   99.28                80
 12/06/2018   05:43:42   (   0.21,-128.53) (   1.14,-124.40)  470.47                80