Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2021   06:49:58   (   0.31,-128.25) (   0.88,-125.66)  294.89                80
 09/05/2021   19:08:32   (  -0.33,-128.20) (   0.23,-130.82)  298.01                80
 09/07/2021   18:58:59   (  -0.33,-128.18) (  -0.39,-127.86)   35.92                80
 09/09/2021   18:46:47   (  -0.33,-128.16) (  -1.01,-124.91)  369.49                80
 09/10/2021   07:05:31   (   0.35,-128.20) (  -0.03,-130.11)  216.79                80
 09/12/2021   06:55:58   (   0.34,-128.17) (   0.59,-127.16)  115.91                80
 09/12/2021   19:14:33   (  -0.36,-128.11) (   0.51,-132.31)  477.83                80
 09/14/2021   06:43:44   (   0.33,-128.13) (   1.15,-124.19)  447.71                80
 09/14/2021   19:02:20   (  -0.35,-128.07) (  -0.10,-129.36)  146.13                80
 09/16/2021   18:52:47   (  -0.35,-128.02) (  -0.72,-126.40)  185.09                80
 09/17/2021   07:11:31   (   0.36,-128.06) (  -0.37,-131.60)  401.26                80