Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 6.  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)
 04/06/2021   16:45:31   (   0.12,-128.28) (  -0.05,-127.45)   94.21                80
 04/08/2021   05:04:30   (  -0.12,-128.14) (  -1.01,-132.07)  448.44                80
 04/09/2021   04:43:51   (  -0.12,-128.12) (   0.11,-127.10)  116.53                80
 04/10/2021   17:00:02   (   0.12,-128.19) (   0.88,-131.70)  399.37                80
 04/11/2021   16:42:01   (   0.12,-128.17) (  -0.19,-126.72)  165.54                80
 04/13/2021   05:01:02   (  -0.12,-128.04) (  -0.82,-131.36)  377.53                80
 04/14/2021   04:37:41   (  -0.12,-128.01) (   0.25,-126.37)  186.92                80
 04/15/2021   16:56:33   (   0.11,-128.08) (   0.74,-130.98)  330.15                80
 04/16/2021   16:38:32   (   0.11,-128.05) (  -0.33,-125.99)  233.96                80
 04/18/2021   04:57:31   (  -0.10,-127.90) (  -0.73,-130.62)  310.31                80
 04/19/2021   04:34:12   (  -0.10,-127.87) (   0.40,-125.65)  253.27                80