Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 21.  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)
 11/21/2021   06:23:38   (   0.25,-128.36) (  -0.72,-132.74)  499.16                80
 11/22/2021   06:00:18   (   0.26,-128.34) (   0.40,-127.75)   68.16                80
 11/23/2021   18:21:50   (  -0.24,-128.34) (   0.66,-132.30)  451.59                80
 11/24/2021   17:58:30   (  -0.25,-128.32) (  -0.45,-127.31)  115.54                80
 11/26/2021   06:20:09   (   0.23,-128.27) (  -0.60,-131.89)  413.55                80
 11/27/2021   05:56:50   (   0.24,-128.25) (   0.52,-126.90)  153.23                80
 11/28/2021   18:18:22   (  -0.22,-128.24) (   0.48,-131.47)  367.34                80
 11/29/2021   17:55:03   (  -0.23,-128.22) (  -0.64,-126.47)  199.29                80
 12/01/2021   06:16:42   (   0.21,-128.16) (  -0.41,-131.06)  330.53                80
 12/02/2021   05:53:23   (   0.22,-128.13) (   0.71,-126.07)  235.53                80
 12/03/2021   18:14:54   (  -0.21,-128.11) (   0.34,-130.62)  286.43                80
 12/04/2021   17:51:34   (  -0.21,-128.08) (  -0.78,-125.63)  279.22                80