Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 14.  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)
 06/15/2021   04:57:26   (   0.10,-128.44) (  -0.70,-132.06)  412.92                80
 06/16/2021   04:34:07   (   0.10,-128.43) (   0.42,-127.09)  152.84                80
 06/17/2021   16:52:58   (  -0.11,-128.45) (   0.61,-131.69)  369.06                80
 06/18/2021   16:34:58   (  -0.11,-128.44) (  -0.46,-126.71)  197.20                80
 06/20/2021   04:53:58   (   0.11,-128.39) (  -0.54,-131.35)  336.52                80
 06/21/2021   04:30:38   (   0.11,-128.38) (   0.53,-126.36)  228.63                80
 06/22/2021   16:49:30   (  -0.11,-128.38) (   0.44,-130.98)  295.13                80
 06/23/2021   16:31:29   (  -0.12,-128.37) (  -0.62,-125.99)  270.15                80
 06/25/2021   04:50:30   (   0.12,-128.31) (  -0.37,-130.63)  264.30                80
 06/26/2021   04:27:09   (   0.12,-128.28) (   0.70,-125.65)  299.93                80
 06/27/2021   16:46:01   (  -0.13,-128.28) (   0.27,-130.26)  225.46                80