Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2021   07:11:44   (   0.32,-128.28) (  -0.37,-131.57)  374.52                80
 09/03/2021   06:59:30   (   0.31,-128.26) (   0.25,-128.61)   39.48                80
 09/05/2021   06:49:56   (   0.31,-128.25) (   0.87,-125.65)  295.05                80
 09/05/2021   19:08:31   (  -0.33,-128.19) (   0.21,-130.81)  297.86                80
 09/07/2021   18:58:57   (  -0.33,-128.17) (  -0.42,-127.85)   36.32                80
 09/09/2021   18:46:43   (  -0.33,-128.14) (  -1.05,-124.90)  370.08                80
 09/10/2021   07:05:27   (   0.35,-128.19) (  -0.03,-130.09)  216.05                80
 09/12/2021   06:55:52   (   0.34,-128.15) (   0.54,-127.12)  116.88                80
 09/12/2021   19:14:27   (  -0.36,-128.09) (   0.54,-132.28)  476.86                80
 09/14/2021   06:43:38   (   0.33,-128.11) (   1.18,-124.17)  448.99                80
 09/14/2021   19:02:13   (  -0.35,-128.05) (  -0.10,-129.32)  144.86                80