Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 30.  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)
 12/01/2021   06:16:42   (   0.21,-128.17) (  -0.41,-131.06)  328.96                80
 12/02/2021   05:53:23   (   0.22,-128.15) (   0.71,-126.07)  237.45                80
 12/03/2021   18:14:54   (  -0.21,-128.13) (   0.34,-130.62)  283.65                80
 12/04/2021   17:51:34   (  -0.21,-128.11) (  -0.78,-125.63)  282.29                80
 12/06/2021   06:13:14   (   0.20,-128.03) (  -0.27,-130.22)  248.79                80
 12/07/2021   05:49:53   (   0.20,-128.00) (   0.79,-125.21)  316.81                80
 12/08/2021   18:11:25   (  -0.18,-127.98) (   0.25,-129.77)  205.21                80
 12/09/2021   17:48:05   (  -0.19,-127.94) (  -0.87,-124.78)  360.45                80
 12/11/2021   06:09:44   (   0.17,-127.87) (  -0.17,-129.37)  170.72                80
 12/12/2021   05:46:25   (   0.18,-127.84) (   0.95,-124.37)  394.79                80
 12/13/2021   18:07:56   (  -0.16,-127.81) (   0.09,-128.93)  127.33                80