Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 21.  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)
 03/21/2021   04:34:25   (  -0.13,-128.36) (   0.58,-125.02)  380.28                80
 03/22/2021   16:55:58   (   0.13,-128.45) (   0.38,-129.63)  134.45                80
 03/23/2021   16:32:37   (   0.13,-128.44) (  -0.69,-124.64)  431.82                80
 03/25/2021   04:54:18   (  -0.13,-128.34) (  -0.32,-129.28)  107.30                80
 03/26/2021   04:30:57   (  -0.13,-128.33) (   0.74,-124.30)  458.76                80
 03/27/2021   16:52:28   (   0.13,-128.40) (   0.27,-128.90)   56.78                80
 03/30/2021   04:50:48   (  -0.13,-128.28) (  -0.21,-128.55)   30.77                80
 04/01/2021   16:49:00   (   0.13,-128.33) (   0.10,-128.18)   17.91                80