Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 11.  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)
 04/11/2021   16:42:02   (   0.12,-128.16) (  -0.21,-126.72)  164.60                80
 04/13/2021   05:01:01   (  -0.12,-128.03) (  -0.86,-131.35)  378.60                80
 04/14/2021   04:38:11   (  -0.12,-128.00) (   0.22,-126.36)  185.60                50
 04/15/2021   16:56:32   (   0.11,-128.06) (   0.78,-130.97)  332.19                80
 04/16/2021   16:38:33   (   0.11,-128.03) (  -0.36,-126.00)  231.70                80
 04/18/2021   04:57:32   (  -0.10,-127.88) (  -0.71,-130.62)  312.71                80
 04/19/2021   04:34:11   (  -0.10,-127.84) (   0.36,-125.64)  250.61                80
 04/20/2021   16:53:03   (   0.10,-127.89) (   0.63,-130.24)  268.53                80
 04/21/2021   16:35:02   (   0.10,-127.85) (  -0.45,-125.26)  294.74                80
 04/23/2021   04:54:02   (  -0.10,-127.70) (  -0.55,-129.90)  250.26                80
 04/24/2021   04:30:42   (  -0.10,-127.66) (   0.52,-124.91)  312.64                80