Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 9.  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)
 05/09/2021   16:59:57   (   0.04,-128.00) (   1.02,-132.38)  498.98                80
 05/10/2021   16:41:57   (   0.04,-128.04) (  -0.09,-127.41)   71.90                80
 05/12/2021   05:00:58   (  -0.03,-128.02) (  -0.94,-132.04)  459.26                80
 05/13/2021   04:37:38   (  -0.04,-128.04) (   0.17,-127.07)  110.63                80
 05/14/2021   16:56:30   (   0.03,-128.16) (   0.80,-131.68)  401.53                80
 05/15/2021   16:38:31   (   0.03,-128.18) (  -0.31,-126.71)  168.49                80
 05/17/2021   04:57:31   (  -0.03,-128.15) (  -0.72,-131.34)  363.40                80
 05/18/2021   04:34:12   (  -0.03,-128.17) (   0.39,-126.37)  205.72                80
 05/19/2021   16:53:03   (   0.02,-128.27) (   0.64,-130.97)  308.09                80
 05/20/2021   16:35:04   (   0.03,-128.29) (  -0.47,-126.00)  261.46                80
 05/22/2021   04:54:04   (  -0.02,-128.26) (  -0.55,-130.63)  270.43                80