Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2021   07:17:11   (  -0.16,-128.02) (  -0.87,-131.48)  392.39                80
 02/23/2021   07:04:59   (  -0.16,-128.07) (  -0.23,-128.52)   51.32                80
 02/25/2021   06:50:07   (  -0.15,-128.11) (   0.40,-125.57)  289.30                80
 02/25/2021   19:14:02   (   0.16,-128.19) (   0.71,-130.72)  287.96                80
 02/27/2021   19:01:50   (   0.16,-128.23) (   0.08,-127.77)   52.35                80
 03/01/2021   18:46:58   (   0.16,-128.27) (  -0.56,-124.82)  392.25                80
 03/02/2021   07:11:02   (  -0.16,-128.21) (  -0.54,-130.01)  204.72                80
 03/04/2021   06:56:10   (  -0.16,-128.24) (   0.09,-127.06)  134.27                80
 03/04/2021   19:17:25   (   0.16,-128.31) (   0.97,-132.22)  444.07                80
 03/06/2021   06:43:58   (  -0.15,-128.26) (   0.73,-124.10)  472.47                80
 03/06/2021   19:05:14   (   0.16,-128.33) (   0.33,-129.27)  106.03                80