Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 28.  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)
 06/28/2021   16:28:01   (  -0.14,-128.30) (  -0.78,-125.27)  344.08                80
 06/30/2021   04:47:01   (   0.15,-128.23) (  -0.21,-129.91)  191.48                80
 07/01/2021   04:23:40   (   0.15,-128.21) (   0.85,-124.93)  372.89                80
 07/02/2021   16:42:32   (  -0.15,-128.21) (   0.17,-129.53)  150.91                80
 07/03/2021   16:24:32   (  -0.15,-128.19) (  -0.96,-124.56)  414.01                80
 07/05/2021   04:43:32   (   0.15,-128.12) (  -0.09,-129.19)  121.37                80
 07/06/2021   04:20:11   (   0.15,-128.10) (   0.98,-124.21)  442.39                80
 07/07/2021   16:39:02   (  -0.15,-128.08) (   0.03,-128.81)   83.22                80
 07/08/2021   16:21:03   (  -0.16,-128.06) (  -1.10,-123.84)  480.85                80
 07/10/2021   04:40:02   (   0.16,-127.98) (   0.05,-128.47)   55.08                80