Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 10 26.  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)
 10/26/2021   18:01:12   (  -0.33,-128.37) (  -0.56,-127.32)  119.82                80
 10/28/2021   06:20:12   (   0.33,-128.37) (  -0.48,-131.91)  403.55                80
 10/29/2021   05:56:53   (   0.33,-128.38) (   0.62,-126.91)  166.56                80
 10/30/2021   18:15:45   (  -0.32,-128.41) (   0.38,-131.48)  350.77                80
 10/31/2021   17:57:46   (  -0.32,-128.41) (  -0.72,-126.48)  219.16                80
 11/02/2021   06:16:47   (   0.32,-128.41) (  -0.25,-131.09)  304.78                80
 11/03/2021   05:53:28   (   0.32,-128.41) (   0.86,-126.09)  264.73                80
 11/04/2021   18:12:19   (  -0.32,-128.43) (   0.21,-130.65)  253.66                80
 11/05/2021   17:54:20   (  -0.32,-128.43) (  -0.95,-125.66)  315.47                80
 11/07/2021   06:13:20   (   0.31,-128.41) (  -0.12,-130.25)  209.62                80
 11/08/2021   05:50:00   (   0.31,-128.41) (   0.98,-125.25)  358.91                80