Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 7 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)
 07/03/2021   06:48:23   (   0.11,-128.19) (   0.68,-125.63)  291.03                80
 07/03/2021   19:09:37   (  -0.10,-128.15) (   0.48,-130.78)  299.24                80
 07/05/2021   19:00:04   (  -0.10,-128.10) (  -0.18,-127.83)   31.55                80
 07/07/2021   18:47:50   (  -0.10,-128.04) (  -0.78,-124.86)  361.42                80
 07/08/2021   07:09:13   (   0.09,-128.05) (  -0.36,-130.04)  226.96                80
 07/10/2021   06:54:20   (   0.10,-127.99) (   0.30,-127.09)  101.97                80
 07/10/2021   19:15:33   (  -0.08,-127.93) (   0.85,-132.24)  490.17                80
 07/12/2021   06:42:06   (   0.11,-127.92) (   0.91,-124.13)  430.39                80
 07/12/2021   19:03:20   (  -0.09,-127.86) (   0.19,-129.29)  161.68                80
 07/14/2021   18:53:47   (  -0.10,-127.79) (  -0.42,-126.33)  166.53                80
 07/15/2021   07:15:09   (   0.08,-127.81) (  -0.71,-131.51)  420.77                80