Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2021   17:00:02   (   0.12,-128.19) (   0.88,-131.70)  400.04                80
 04/11/2021   16:42:01   (   0.12,-128.17) (  -0.19,-126.72)  164.66                80
 04/13/2021   05:01:02   (  -0.12,-128.03) (  -0.82,-131.36)  378.54                80
 04/14/2021   04:38:05   (  -0.12,-128.00) (   0.25,-126.37)  185.70                56
 04/15/2021   16:56:33   (   0.11,-128.06) (   0.74,-130.98)  331.94                80
 04/16/2021   16:38:32   (   0.11,-128.03) (  -0.33,-125.99)  231.96                80
 04/18/2021   04:57:31   (  -0.10,-127.88) (  -0.73,-130.62)  312.45                80
 04/19/2021   04:34:12   (  -0.10,-127.85) (   0.40,-125.65)  250.93                80
 04/20/2021   16:53:03   (   0.10,-127.89) (   0.59,-130.25)  268.09                80
 04/21/2021   16:35:03   (   0.10,-127.86) (  -0.49,-125.27)  295.22                80
 04/23/2021   04:54:02   (  -0.10,-127.70) (  -0.57,-129.89)  249.76                80