Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 3.  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)
 04/04/2021   04:44:39   (  -0.13,-128.22) (  -0.06,-127.82)   45.09                80
 04/05/2021   17:03:31   (   0.12,-128.30) (   1.06,-132.42)  470.55                80
 04/06/2021   16:45:31   (   0.12,-128.28) (  -0.07,-127.45)   94.59                80
 04/08/2021   05:04:30   (  -0.12,-128.15) (  -1.00,-132.08)  447.79                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)  398.37                80
 04/11/2021   16:42:02   (   0.12,-128.19) (  -0.21,-126.72)  166.71                80
 04/13/2021   05:01:01   (  -0.12,-128.05) (  -0.86,-131.35)  376.04                80
 04/14/2021   04:37:42   (  -0.12,-128.03) (   0.27,-126.38)  188.55                80
 04/15/2021   16:56:33   (   0.11,-128.09) (   0.73,-130.98)  328.33                80
 04/16/2021   16:38:32   (   0.11,-128.07) (  -0.35,-125.99)  235.95                80