Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 8.  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)
 06/08/2021   16:41:55   (  -0.07,-128.51) (  -0.18,-128.15)   41.83                80
 06/10/2021   05:00:54   (   0.08,-128.46) (  -0.88,-132.77)  491.72                80
 06/11/2021   04:37:35   (   0.08,-128.45) (   0.24,-127.80)   74.53                80
 06/12/2021   16:56:26   (  -0.09,-128.49) (   0.79,-132.40)  446.12                80
 06/13/2021   16:38:26   (  -0.09,-128.48) (  -0.33,-127.43)  120.41                80
 06/15/2021   04:57:27   (   0.10,-128.43) (  -0.67,-132.07)  413.44                80
 06/16/2021   04:34:06   (   0.10,-128.42) (   0.39,-127.08)  152.21                80
 06/17/2021   16:52:59   (  -0.10,-128.44) (   0.58,-131.70)  369.85                80
 06/18/2021   16:34:58   (  -0.10,-128.44) (  -0.48,-126.71)  196.30                80
 06/20/2021   04:53:57   (   0.11,-128.38) (  -0.57,-131.34)  337.52                80
 06/21/2021   04:30:38   (   0.11,-128.37) (   0.55,-126.37)  227.55                80