Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 11.  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)
 03/12/2021   17:02:54   (   0.13,-128.43) (   0.72,-131.07)  300.92                80
 03/13/2021   16:39:35   (   0.12,-128.44) (  -0.40,-126.10)  266.85                80
 03/15/2021   05:01:14   (  -0.13,-128.36) (  -0.67,-130.72)  269.28                80
 03/16/2021   04:37:54   (  -0.13,-128.37) (   0.46,-125.75)  298.40                80
 03/17/2021   16:59:26   (   0.13,-128.47) (   0.57,-130.35)  214.81                80
 03/18/2021   16:36:06   (   0.12,-128.47) (  -0.55,-125.37)  352.38                80
 03/20/2021   04:57:45   (  -0.13,-128.38) (  -0.51,-130.00)  185.07                80
 03/21/2021   04:34:26   (  -0.12,-128.38) (   0.61,-125.03)  381.77                80
 03/22/2021   16:55:57   (   0.13,-128.46) (   0.41,-129.62)  132.73                80
 03/23/2021   16:32:38   (   0.12,-128.46) (  -0.72,-124.65)  433.74                80