Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 28.  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)
 03/30/2021   04:50:48   (  -0.14,-128.30) (  -0.19,-128.55)   28.92                80
 04/01/2021   16:46:20   (   0.13,-128.36) (   0.07,-128.18)   21.55                80
 04/04/2021   04:44:39   (  -0.13,-128.22) (  -0.07,-127.82)   45.16                80
 04/05/2021   17:03:31   (   0.12,-128.29) (   1.01,-132.44)  471.31                80
 04/06/2021   16:45:31   (   0.12,-128.27) (  -0.06,-127.45)   93.83                80
 04/08/2021   05:04:30   (  -0.12,-128.15) (  -1.00,-132.08)  447.70                80
 04/09/2021   04:41:11   (  -0.12,-128.13) (   0.13,-127.10)  117.34                80
 04/10/2021   17:00:02   (   0.12,-128.20) (   0.87,-131.71)  399.21                80