Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 3 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2021   18:55:28   (   0.14,-128.43) (  -0.33,-126.31)  241.05                80
 03/25/2021   07:16:50   (  -0.13,-128.35) (  -0.82,-131.49)  357.95                80
 03/27/2021   07:04:37   (  -0.14,-128.33) (  -0.19,-128.54)   23.61                80
 03/29/2021   06:49:45   (  -0.14,-128.31) (   0.45,-125.58)  310.40                80
 03/29/2021   19:10:59   (   0.13,-128.37) (   0.65,-130.74)  269.00                80
 03/31/2021   19:01:26   (   0.13,-128.34) (   0.01,-127.78)   64.27                80
 04/02/2021   18:49:13   (   0.13,-128.31) (  -0.64,-124.82)  396.74                80
 04/03/2021   07:10:36   (  -0.12,-128.23) (  -0.51,-130.01)  202.09                80
 04/05/2021   06:55:43   (  -0.12,-128.19) (   0.14,-127.05)  129.62                80
 04/05/2021   19:16:58   (   0.11,-128.24) (   0.96,-132.21)  451.39                80