Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 14.  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)
 05/14/2021   16:56:30   (   0.02,-128.15) (   0.82,-131.68)  402.04                80
 05/15/2021   16:38:31   (   0.02,-128.18) (  -0.29,-126.70)  167.93                80
 05/17/2021   04:57:32   (  -0.01,-128.15) (  -0.68,-131.35)  363.82                80
 05/18/2021   04:34:11   (  -0.02,-128.17) (   0.37,-126.36)  205.24                80
 05/19/2021   16:53:04   (   0.01,-128.26) (   0.60,-130.98)  308.90                80
 05/20/2021   16:35:04   (   0.01,-128.29) (  -0.51,-126.00)  260.60                80
 05/22/2021   04:54:05   (  -0.01,-128.26) (  -0.51,-130.64)  271.16                80
 05/23/2021   04:30:44   (  -0.02,-128.27) (   0.54,-125.65)  297.48                80
 05/24/2021   16:49:36   (   0.01,-128.35) (   0.43,-130.27)  218.09                80
 05/25/2021   16:31:37   (   0.02,-128.37) (  -0.68,-125.29)  350.70                80
 05/27/2021   04:50:37   (  -0.01,-128.33) (  -0.33,-129.93)  181.80                80