Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2021   19:01:26   (   0.13,-128.37) (   0.02,-127.78)   67.13                80
 04/02/2021   18:49:13   (   0.13,-128.34) (  -0.62,-124.82)  400.24                80
 04/03/2021   07:10:37   (  -0.12,-128.25) (  -0.47,-130.02)  199.98                80
 04/05/2021   06:55:43   (  -0.11,-128.22) (   0.12,-127.05)  132.44                80
 04/05/2021   19:16:59   (   0.11,-128.28) (   0.91,-132.22)  446.86                80
 04/07/2021   06:43:30   (  -0.11,-128.18) (   0.78,-124.10)  464.83                80
 04/07/2021   19:04:45   (   0.11,-128.25) (   0.32,-129.25)  114.30                80
 04/09/2021   18:55:11   (   0.11,-128.21) (  -0.27,-126.29)  218.31                80
 04/10/2021   07:16:35   (  -0.10,-128.13) (  -0.81,-131.48)  380.87                80
 04/12/2021   07:04:21   (  -0.10,-128.09) (  -0.20,-128.52)   48.63                80