Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 28.  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)
 11/28/2021   18:18:22   (  -0.22,-128.25) (   0.52,-131.46)  366.18                80
 11/29/2021   17:55:02   (  -0.23,-128.23) (  -0.60,-126.46)  200.62                80
 12/01/2021   06:16:41   (   0.21,-128.17) (  -0.45,-131.05)  329.35                80
 12/02/2021   05:53:22   (   0.22,-128.14) (   0.67,-126.06)  236.92                80
 12/03/2021   18:14:54   (  -0.21,-128.13) (   0.32,-130.63)  284.24                80
 12/04/2021   17:51:34   (  -0.21,-128.10) (  -0.74,-125.62)  281.61                80
 12/06/2021   06:13:13   (   0.20,-128.02) (  -0.31,-130.21)  249.78                80
 12/07/2021   05:49:54   (   0.20,-127.99) (   0.81,-125.22)  315.66                80
 12/08/2021   18:11:25   (  -0.18,-127.96) (   0.24,-129.77)  206.41                80
 12/09/2021   17:48:05   (  -0.19,-127.93) (  -0.89,-124.78)  359.10                80
 12/11/2021   06:09:45   (   0.17,-127.86) (  -0.16,-129.37)  172.34                80