Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 10.  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)
 06/10/2021   05:00:55   (   0.08,-128.46) (  -0.84,-132.78)  491.61                80
 06/11/2021   04:37:34   (   0.08,-128.45) (   0.22,-127.80)   74.62                80
 06/12/2021   16:56:27   (  -0.09,-128.49) (   0.75,-132.41)  446.12                80
 06/13/2021   16:38:26   (  -0.09,-128.48) (  -0.32,-127.43)  120.41                80
 06/15/2021   04:57:27   (   0.10,-128.43) (  -0.69,-132.07)  413.34                80
 06/16/2021   04:34:06   (   0.10,-128.42) (   0.38,-127.08)  152.31                80
 06/17/2021   16:52:58   (  -0.11,-128.44) (   0.59,-131.69)  369.85                80
 06/18/2021   16:34:58   (  -0.10,-128.44) (  -0.47,-126.71)  196.30                80
 06/20/2021   04:53:58   (   0.11,-128.38) (  -0.52,-131.35)  337.43                80
 06/21/2021   04:30:38   (   0.11,-128.37) (   0.54,-126.37)  227.62                80
 06/22/2021   16:49:29   (  -0.11,-128.37) (   0.48,-130.97)  296.41                80
 06/23/2021   16:31:30   (  -0.11,-128.35) (  -0.64,-126.00)  268.80                80