Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 8.  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)
 04/09/2021   04:43:50   (  -0.12,-128.12) (   0.09,-127.09)  116.36                80
 04/10/2021   17:00:01   (   0.12,-128.19) (   0.91,-131.70)  399.84                80
 04/11/2021   16:42:02   (   0.12,-128.17) (  -0.22,-126.73)  164.98                80
 04/13/2021   05:01:01   (  -0.12,-128.03) (  -0.85,-131.35)  378.20                80
 04/14/2021   04:37:41   (  -0.12,-128.00) (   0.22,-126.37)  186.13                80
 04/15/2021   16:56:32   (   0.11,-128.07) (   0.77,-130.97)  331.23                80
 04/16/2021   16:38:33   (   0.11,-128.04) (  -0.36,-126.00)  232.79                80
 04/18/2021   04:57:32   (  -0.10,-127.89) (  -0.70,-130.63)  311.58                80
 04/19/2021   04:34:12   (  -0.10,-127.85) (   0.37,-125.64)  251.86                80
 04/20/2021   16:53:03   (   0.10,-127.90) (   0.62,-130.24)  266.87                80
 04/21/2021   16:35:02   (   0.10,-127.87) (  -0.46,-125.26)  296.52                80