Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 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)
 05/10/2021   16:41:57   (   0.04,-128.04) (  -0.10,-127.41)   71.80                80
 05/12/2021   05:00:58   (  -0.03,-128.02) (  -0.93,-132.05)  459.30                80
 05/13/2021   04:37:38   (  -0.04,-128.04) (   0.18,-127.07)  110.55                80
 05/14/2021   16:56:31   (   0.03,-128.15) (   0.79,-131.68)  401.75                80
 05/15/2021   16:38:30   (   0.03,-128.18) (  -0.26,-126.70)  168.26                80
 05/17/2021   04:57:31   (  -0.02,-128.15) (  -0.71,-131.35)  363.60                80
 05/18/2021   04:34:11   (  -0.03,-128.17) (   0.34,-126.36)  205.49                80
 05/19/2021   16:53:03   (   0.02,-128.27) (   0.63,-130.97)  308.44                80
 05/20/2021   16:35:04   (   0.02,-128.29) (  -0.49,-126.00)  261.08                80
 05/22/2021   04:54:04   (  -0.02,-128.26) (  -0.54,-130.64)  270.77                80
 05/23/2021   04:30:44   (  -0.03,-128.27) (   0.52,-125.65)  297.90                80