Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 18.  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)
 05/19/2021   16:53:04   (  -0.00,-128.27) (   0.57,-130.98)  308.35                80
 05/20/2021   16:35:04   (   0.00,-128.29) (  -0.48,-125.99)  261.29                80
 05/22/2021   04:54:04   (   0.00,-128.26) (  -0.54,-130.63)  270.55                80
 05/23/2021   04:30:44   (  -0.00,-128.28) (   0.57,-125.66)  298.24                80
 05/24/2021   16:49:37   (  -0.00,-128.36) (   0.40,-130.27)  216.85                80
 05/25/2021   16:31:36   (   0.00,-128.38) (  -0.65,-125.28)  352.07                80
 05/27/2021   04:50:37   (   0.01,-128.34) (  -0.37,-129.92)  180.54                80
 05/28/2021   04:27:17   (   0.00,-128.35) (   0.75,-124.95)  387.19                80
 05/29/2021   16:46:09   (  -0.02,-128.42) (   0.22,-129.56)  130.03                80
 05/30/2021   16:28:09   (  -0.01,-128.43) (  -0.83,-124.57)  438.16                80
 06/01/2021   04:47:09   (   0.02,-128.39) (  -0.18,-129.21)   94.35                80