Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 15.  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)
 05/15/2021   16:38:31   (   0.02,-128.18) (  -0.32,-126.71)  167.96                80
 05/17/2021   04:57:31   (  -0.01,-128.15) (  -0.71,-131.35)  363.78                80
 05/18/2021   04:34:12   (  -0.01,-128.17) (   0.40,-126.37)  205.29                80
 05/19/2021   16:53:03   (   0.01,-128.26) (   0.63,-130.97)  308.85                80
 05/20/2021   16:35:04   (   0.01,-128.29) (  -0.49,-126.00)  260.67                80
 05/22/2021   04:54:04   (  -0.00,-128.26) (  -0.54,-130.63)  271.08                80
 05/23/2021   04:30:45   (  -0.01,-128.27) (   0.58,-125.66)  297.58                80
 05/24/2021   16:49:36   (   0.01,-128.35) (   0.45,-130.26)  217.99                80
 05/25/2021   16:31:36   (   0.01,-128.37) (  -0.66,-125.29)  350.82                80
 05/27/2021   04:50:37   (  -0.01,-128.33) (  -0.36,-129.93)  181.65                80
 05/28/2021   04:27:17   (  -0.01,-128.34) (   0.76,-124.95)  385.97                80