Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 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)
 06/26/2021   04:27:10   (   0.13,-128.30) (   0.74,-125.65)  302.05                80
 06/27/2021   16:46:01   (  -0.14,-128.32) (   0.29,-130.26)  220.94                80
 06/28/2021   16:28:01   (  -0.14,-128.30) (  -0.78,-125.27)  344.23                80
 06/30/2021   04:47:01   (   0.14,-128.23) (  -0.21,-129.91)  191.11                80
 07/01/2021   04:23:40   (   0.15,-128.21) (   0.85,-124.93)  373.36                80
 07/02/2021   16:42:32   (  -0.15,-128.22) (   0.17,-129.53)  150.33                80
 07/03/2021   16:24:32   (  -0.15,-128.20) (  -0.96,-124.56)  414.71                80
 07/05/2021   04:43:32   (   0.15,-128.13) (  -0.09,-129.19)  120.42                80
 07/06/2021   04:20:11   (   0.15,-128.11) (   0.98,-124.21)  443.44                80
 07/07/2021   16:39:03   (  -0.15,-128.09) (  -0.02,-128.82)   82.08                80
 07/08/2021   16:21:03   (  -0.16,-128.07) (  -1.09,-123.84)  482.11                80