Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2021   06:59:30   (   0.31,-128.26) (   0.22,-128.61)   39.46                80
 09/05/2021   06:49:56   (   0.31,-128.25) (   0.84,-125.65)  295.13                80
 09/05/2021   19:08:30   (  -0.33,-128.19) (   0.24,-130.81)  297.70                80
 09/07/2021   18:58:57   (  -0.33,-128.17) (  -0.39,-127.85)   36.49                80
 09/09/2021   18:46:43   (  -0.33,-128.15) (  -1.02,-124.89)  370.32                80
 09/10/2021   07:05:26   (   0.35,-128.19) (  -0.06,-130.09)  215.84                80
 09/12/2021   06:55:52   (   0.34,-128.16) (   0.58,-127.13)  117.12                80
 09/12/2021   19:14:27   (  -0.36,-128.09) (   0.50,-132.29)  476.53                80
 09/14/2021   06:43:37   (   0.33,-128.11) (   1.16,-124.16)  449.29                80
 09/14/2021   19:02:12   (  -0.35,-128.05) (  -0.08,-129.32)  144.46                80