Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 16.  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)
 06/16/2021   04:34:06   (   0.10,-128.43) (   0.39,-127.08)  152.88                80
 06/17/2021   16:52:59   (  -0.11,-128.45) (   0.58,-131.70)  368.59                80
 06/18/2021   16:34:58   (  -0.11,-128.45) (  -0.48,-126.71)  197.74                80
 06/20/2021   04:53:58   (   0.11,-128.40) (  -0.52,-131.35)  336.06                80
 06/21/2021   04:30:38   (   0.11,-128.38) (   0.55,-126.37)  229.16                80
 06/22/2021   16:49:29   (  -0.11,-128.39) (   0.48,-130.97)  294.19                80
 06/23/2021   16:31:30   (  -0.12,-128.38) (  -0.64,-126.00)  271.19                80
 06/25/2021   04:50:29   (   0.12,-128.32) (  -0.41,-130.63)  263.38                80
 06/26/2021   04:27:10   (   0.13,-128.29) (   0.72,-125.65)  300.94                80
 06/27/2021   16:46:01   (  -0.13,-128.29) (   0.31,-130.25)  224.02                80
 06/28/2021   16:28:01   (  -0.14,-128.27) (  -0.81,-125.28)  341.02                80