Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 26.  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)
 05/27/2021   04:50:37   (   0.03,-128.35) (  -0.33,-129.93)  179.61                80
 05/28/2021   04:27:18   (   0.02,-128.36) (   0.79,-124.95)  388.41                80
 05/29/2021   16:46:10   (  -0.04,-128.45) (   0.18,-129.57)  126.77                80
 05/30/2021   16:28:10   (  -0.04,-128.46) (  -0.87,-124.58)  441.74                80
 06/01/2021   04:47:10   (   0.05,-128.42) (  -0.14,-129.22)   91.81                80
 06/02/2021   04:23:50   (   0.04,-128.42) (   0.98,-124.25)  476.13                80
 06/03/2021   16:42:42   (  -0.05,-128.51) (   0.05,-128.85)   39.67                80
 06/06/2021   04:43:42   (   0.05,-128.48) (   0.06,-128.52)    4.70                80
 06/08/2021   16:41:54   (  -0.06,-128.55) (  -0.15,-128.14)   46.17                80