Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 4.  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   06:49:57   (   0.31,-128.25) (   0.85,-125.66)  294.71                80
 09/05/2021   19:08:32   (  -0.33,-128.20) (   0.25,-130.81)  298.21                80
 09/07/2021   18:58:59   (  -0.33,-128.18) (  -0.37,-127.86)   35.74                80
 09/09/2021   18:46:46   (  -0.33,-128.15) (  -1.00,-124.90)  369.10                80
 09/10/2021   07:05:31   (   0.35,-128.20) (  -0.04,-130.11)  217.20                80
 09/12/2021   06:55:57   (   0.34,-128.16) (   0.53,-127.14)  115.43                80
 09/12/2021   19:14:33   (  -0.36,-128.10) (   0.51,-132.31)  478.32                80
 09/14/2021   06:43:44   (   0.33,-128.12) (   1.16,-124.19)  447.19                80
 09/14/2021   19:02:19   (  -0.35,-128.06) (  -0.06,-129.34)  146.64                80
 09/16/2021   18:52:46   (  -0.35,-128.01) (  -0.70,-126.39)  184.53                80
 09/17/2021   07:11:30   (   0.36,-128.05) (  -0.39,-131.59)  401.79                80