Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 13.  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)
 06/13/2021   16:38:26   (  -0.09,-128.49) (  -0.31,-127.42)  120.68                80
 06/15/2021   04:57:26   (   0.10,-128.44) (  -0.69,-132.06)  413.01                80
 06/16/2021   04:34:06   (   0.10,-128.43) (   0.37,-127.08)  152.72                80
 06/17/2021   16:52:58   (  -0.11,-128.45) (   0.60,-131.69)  369.31                80
 06/18/2021   16:34:58   (  -0.11,-128.44) (  -0.46,-126.71)  196.90                80
 06/20/2021   04:53:58   (   0.11,-128.39) (  -0.53,-131.35)  336.78                80
 06/21/2021   04:30:38   (   0.11,-128.37) (   0.53,-126.36)  228.33                80
 06/22/2021   16:49:30   (  -0.11,-128.38) (   0.44,-130.98)  295.55                80
 06/23/2021   16:31:29   (  -0.11,-128.36) (  -0.63,-125.99)  269.69                80
 06/25/2021   04:50:30   (   0.12,-128.31) (  -0.37,-130.64)  264.74                80
 06/26/2021   04:27:09   (   0.12,-128.28) (   0.70,-125.65)  299.46                80