Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 29.  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) (  -0.20,-128.55)   28.90                80
 04/01/2021   16:46:20   (   0.13,-128.37) (   0.08,-128.18)   21.78                80
 04/04/2021   04:44:40   (  -0.13,-128.22) (  -0.02,-127.83)   45.36                80
 04/05/2021   17:03:31   (   0.12,-128.30) (   1.02,-132.43)  470.81                80
 04/06/2021   16:45:31   (   0.12,-128.28) (  -0.05,-127.45)   94.37                80
 04/08/2021   05:04:30   (  -0.12,-128.15) (  -1.01,-132.07)  447.30                80
 04/09/2021   04:41:11   (  -0.12,-128.13) (   0.12,-127.10)  117.80                80
 04/10/2021   17:00:02   (   0.12,-128.20) (   0.88,-131.71)  398.46                80
 04/11/2021   16:42:01   (   0.12,-128.18) (  -0.20,-126.72)  166.67                80