Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 17.  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)
 06/17/2021   16:52:58   (  -0.11,-128.45) (   0.61,-131.69)  369.38                80
 06/18/2021   16:34:59   (  -0.11,-128.44) (  -0.51,-126.72)  196.80                80
 06/20/2021   04:53:58   (   0.11,-128.39) (  -0.54,-131.35)  337.03                80
 06/21/2021   04:30:37   (   0.11,-128.37) (   0.52,-126.36)  228.04                80
 06/22/2021   16:49:30   (  -0.11,-128.37) (   0.45,-130.97)  295.92                80
 06/23/2021   16:31:29   (  -0.11,-128.36) (  -0.62,-125.99)  269.28                80
 06/25/2021   04:50:30   (   0.12,-128.30) (  -0.38,-130.63)  265.30                80
 06/26/2021   04:27:09   (   0.12,-128.27) (   0.69,-125.65)  298.86                80
 06/27/2021   16:46:01   (  -0.13,-128.26) (   0.28,-130.26)  226.72                80
 06/28/2021   16:28:01   (  -0.13,-128.24) (  -0.79,-125.28)  338.16                80
 06/30/2021   04:47:00   (   0.14,-128.19) (  -0.26,-129.91)  195.77                80